{"title":"Clamps","description":"\u003cp\u003eBrowse our precision-engineered Arca-Swiss compatible clamps, bench-assembled and inspected for photographers who demand the best.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","products":[{"product_id":"f63-arca-clamp","title":"3.25\" Arca-Swiss Compatible Quick Release Clamp","description":"\u003cp\u003eUpgrade your camera support system with this precision-engineered \u003cstrong\u003e3.25\" Arca-Swiss Compatible Quick Release Clamp\u003c\/strong\u003e. Built for professional photographers and videographers who require absolute reliability, this rugged screw-knob clamp provides a heavy-duty, twist-free mounting solution for full-frame camera systems, custom rigs, and heavy telephoto lenses.\u003c\/p\u003e\n\n\u003ch3\u003eThe Perfect Middle-Ground Size\u003c\/h3\u003e\n\u003cp\u003eMeasuring 3.25 inches (82.5mm), this clamp offers the ideal balance between portability and structural support. It provides significantly more surface contact and stability than standard 2-inch clamps without the added bulk or weight of a full 4-inch rail.\u003c\/p\u003e\n\n\u003ch3\u003eUniversal Dual-Mounting Interface\u003c\/h3\u003e\n\u003cp\u003eDesigned for ultimate modularity, the center socket is natively threaded for \u003cstrong\u003e3\/8\"-16 studs\u003c\/strong\u003e and precision countersunk on top to seamlessly fit both \u003cstrong\u003e1\/4\"-20 and M6 screws\u003c\/strong\u003e. This allows you to effortlessly upgrade almost any standard tripod head, monopod, or custom camera rig.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features \u0026amp; Pro-Grade Performance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Features a \"Micro-Vise\" jaw design that delivers a tenacious grip on Arca-type plates from all major brands, including Really Right Stuff (RRS), Kirk, Wimberley, Markins, and more.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCaptive \u0026amp; Sealed Knob:\u003c\/strong\u003e The clear-anodized, one-piece mechanical knob is completely captive to prevent it from backing out and getting lost in the field. The sealed design blocks dust, sand, and grit intrusion.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnti-Fall Safety Grooves:\u003c\/strong\u003e Integrated 2.6mm deep safety relief grooves accommodate plates with safety stop screws, protecting your expensive camera gear from accidental \"free fall\" slides if the clamp is partially open.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTongue-in-Pocket Design:\u003c\/strong\u003e The internal mechanics keep the clamp jaws perfectly aligned during adjustment while shielding moving parts from harsh outdoor elements.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium USA Construction:\u003c\/strong\u003e Proudly made in the USA. CNC-machined from solid 6061-T6 aircraft-grade aluminum with stainless steel hardware and a durable black hard-coat anodized finish for superior abrasion resistance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eJaw Length:\u003c\/strong\u003e 3.25 Inches (82.5mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aircraft Aluminum\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHardware:\u003c\/strong\u003e Premium Stainless Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCenter Mounting:\u003c\/strong\u003e Threaded 3\/8\"-16 \u0026amp; Countersunk for M6 \/ 1\/4\"-20\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKnob Type:\u003c\/strong\u003e Captive Screw Knob (Clear Anodized Finish)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSafety Groove Depth:\u003c\/strong\u003e 2.6mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Industrial Black Hard-Coat Anodized Body\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67618063810665,"sku":"F63","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/F63_001.jpg?v=1791925127"},{"product_id":"arca-type-3-25-clamp-4-kirk-markins-wimberley-acratech-benro-foba-rrs-arca-swiss","title":"3.25\" Arca-Type Quick Release Clamp with Integrated Bubble Level","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e\n\u003cdiv style=\"background: #e5e5e5; padding: 12px 15px; margin-bottom: 18px;\"\u003e\u003cstrong\u003e3.25 Inch Arca-Type Quick Release Clamp | Integrated Bubble Level \u0026amp; Long Black Knob\u003c\/strong\u003e\u003c\/div\u003e\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e\n\u003ch1\u003e3.25\" Arca-Type Quick Release Clamp with Integrated Bubble Level\u003c\/h1\u003e\n\u003cp\u003eThe 3.25-inch \u003cstrong\u003eArca-type quick release clamp\u003c\/strong\u003e is a versatile and robust solution for upgrading tripod heads or building custom photography rigs. Engineered for photographers who demand exact alignment and absolute security, this clamp features an \u003cstrong\u003eintegrated bubble level\u003c\/strong\u003e and an all-black professional aesthetic.\u003c\/p\u003e\n\u003chr\u003e\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e\n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Bubble Level:\u003c\/strong\u003e Built-in spirit level allows for precise horizontal alignment, essential for panoramic and architectural photography.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.25\" Jaw Length:\u003c\/strong\u003e Provides an optimized surface area for a rock-solid, twist-free grip on Arca-Swiss style plates and rails.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong Silver Captive Knob:\u003c\/strong\u003e Ergonomic one-piece design provides excellent grip and is fully captive, stopping at maximum opening to prevent loss in the field.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Mounting Interface:\u003c\/strong\u003e Center socket is countersunk on top and threaded 3\/8-16; includes two outside 1\/4-20 tapped holes spaced exactly 45mm apart.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Relief Grooves:\u003c\/strong\u003e 2.6mm deep relief grooves ensure compatibility with plates featuring safety stops, preventing gear \"free fall\" if the clamp is partially open.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnti-Twist Integration:\u003c\/strong\u003e The rear side features a dedicated groove designed to match common ball head connections, effectively preventing the clamp from twisting during use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Construction:\u003c\/strong\u003e Precision CNC-machined from 6061-T6 aircraft-grade aluminum and finished with a durable black hard-coat anodize.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured to professional-grade tolerances for lifelong reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e\n\u003ch2\u003eProfessional Arca-Swiss Compatible Mounting Solution\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eArca-type quick release clamp\u003c\/strong\u003e is the ideal choice for photographers seeking a secure, low-profile mounting interface. Its \"Micro-Vise\" design delivers a tenacious grip on any compatible plate from major brands. The extended 3.25-inch jaws provide superior stability compared to standard clamps, making it perfect for supporting heavy telephoto lenses or macro focus stacking setups.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAdvanced Safety and Field Reliability:\u003c\/strong\u003e Built to withstand the rigors of professional use, the integrated safety relief grooves act as a critical fail-safe against accidental gear drops. The captive hardware ensures you are never stranded on a location shoot due to a missing knob, while the dust and sand-resistant design protects the internal mechanism. 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Featuring a precise countersunk profile and a low-profile \u003cstrong\u003e5\/32\" hex socket drive head\u003c\/strong\u003e, this premium fastener is designed to sit completely flush within matching beveled holes. It creates an unyielding physical connection that eliminates mechanical play and ensures absolute equipment security on professional tripods, slider platforms, and gimbal rigs.\n\u003c\/p\u003e \n\u003chr\u003e \n\n\u003c!-- ===================== QUICK OVERVIEW \u0026 KEY FEATURES ===================== --\u003e \n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eStandard 1\/4-20 Threading:\u003c\/strong\u003e Universal coarse thread size standard across the photography and optical industries, matching standard tripod sockets, camera base chassis, and plate receivers.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFlush-Fit Countersunk Head:\u003c\/strong\u003e Flat head design seats perfectly inside beveled counterbored plate slots, creating a seamless surface that won't scratch mating plates or catch on tripod clamps.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eExtended 3\/4\" Overall Length:\u003c\/strong\u003e 0.75-inch shank dimension engineered to provide deep, maximum-security thread engagement across thick-walled technical assemblies and heavy-duty component joints.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003e5\/32\" Internal Hex Socket Drive:\u003c\/strong\u003e Deep, precision-milled hex well accommodates standard 5\/32\" Allen keys, letting you apply high tightening torque without slipping or stripping.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eHigh-Tensile Steel Build:\u003c\/strong\u003e Forged from premium-grade alloy steel to handle intense mechanical leverage, rotational weight forces, and severe outdoor field tracking.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Precision-manufactured to rigid engineering tolerances to ensure lifelong structural reliability in the studio or laboratory.\u003c\/li\u003e \n\u003c\/ul\u003e \n\n\u003c!-- ===================== TECHNICAL SPECIFICATIONS ===================== --\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eThread Size:\u003c\/strong\u003e 1\/4\"-20 (Standard Photo Coarse Thread)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOverall Screw Length:\u003c\/strong\u003e 3\/4 inch (0.75 inches)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Socket Flat Head \/ Countersunk\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDrive System:\u003c\/strong\u003e 5\/32\" Internal Hex Socket\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaterial Construction:\u003c\/strong\u003e High-Strength Structural Steel Alloy\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eApplication Profiles:\u003c\/strong\u003e Thicker camera base plates, custom lens feet conversion blocks, panoramic rail joints, and heavy-duty gear assembly modules\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e \n\u003ch2\u003eProduct Description\u003c\/h2\u003e \n\u003cp\u003e \n    The premium \u003cstrong\u003eHejnar Photo 1\/4-20 x 3\/4\" Socket Flat Head Screw\u003c\/strong\u003e is an indispensable hardware asset for landscape, studio, macro, and technical photographers who assemble, modify, or maintain high-end modular support setups. Because tracking heavy camera configurations puts continuous structural stress and vibration on your component joints, generic or low-grade screws can shear or loosen over time. This heavy-duty structural fastener resolves that vulnerability entirely, delivering a completely rigid connection that dampens micro-vibrations and keeps multi-row pano arms or sliding plate blocks tightly grouped together.\n\u003c\/p\u003e \n\u003cp\u003e \n    The definitive mechanical advantage of this specific model is its flat, beveled head geometry paired with an extended 3\/4-inch length. When driven into a matching countersunk tracking track, the head merges perfectly with the plane of your equipment plate. This flat interface is crucial for modular camera gear because it allows secondary plates, clamps, or rails to slide or mount directly over the screw zone without hitting an obstacle, while the longer thread profile ensures an extra safety margin of structural connection inside deep-bored receivers. \n\u003c\/p\u003e \n\u003cp\u003e \n    Engineered for high-performance pacing in demanding environments, the screw features a precision-milled \u003cstrong\u003e5\/32\" internal hex drive well\u003c\/strong\u003e. Unlike standard slotted flat screws that easily strip or scratch surrounding metal when turned with a flat screwdriver or coin, this hex drive socket guarantees clean tool engagement. It gives you the necessary physical leverage to tighten the hardware firmly to its target axis with smooth, manual feedback. Rust-proofed and milled in the USA to elite structural standards, this 1\/4-20 flat head screw keeps your precision optics safely and accurately aligned on every assignment.\n\u003c\/p\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701589377129,"sku":"1-4-20_3-4-SFH","price":2.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/1-4-20_3-4-SFH-2.jpg?v=1792110599"},{"product_id":"stainless-steel-flanged-reducer-bushing-3-8-to-1-4","title":"Stainless Steel Reducer Bushing with Flange","description":"\u003c!-- Gray Banner Header --\u003e\n\u003cdiv style=\"background:#e5e5e5; padding:12px 15px; margin-bottom:18px;\"\u003e \n    \u003cstrong\u003eStainless Steel Reducer Bushing with Flange | 3\/8-16 to 1\/4-20 Thread Adapter\u003c\/strong\u003e \n\u003c\/div\u003e\n\n\u003c!-- Main Product Title \u0026 Overview --\u003e\n\u003ch1\u003eStainless Steel Reducer Bushing with Flange\u003c\/h1\u003e\n\u003cp\u003e\n    This precision-machined \u003cstrong\u003estainless steel reducer bushing\u003c\/strong\u003e is an essential hardware component designed to reduce a 3\/8-16 thread size down to a 1\/4-20 thread size. Featuring a specialized \u003cstrong\u003eintegrated flange\u003c\/strong\u003e, this adapter ensures a secure and stable connection when mounting Arca-Swiss compatible clamps onto standard rails or tripods.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- Key Features Section --\u003e\n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e\n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePrecision Thread Conversion:\u003c\/strong\u003e Efficiently adapts a 3\/8-16 female thread to accept a standard 1\/4-20 male screw, ensuring compatibility across various photography gear.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIntegrated Flange Design:\u003c\/strong\u003e Specifically engineered for use with quick-release clamps and clamp sets to provide a broader support base and prevent over-threading.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Ideal for use on tripods, monopods, and clamps from various major manufacturers including RRS, Kirk, and Wimberley.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eModular System Integration:\u003c\/strong\u003e Facilitates mounting clamps onto standard rails using captive screws, serving as a critical component in advanced camera support setups.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Crafted from high-quality stainless steel for maximum strength, corrosion resistance, and long-term reliability.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured to professional standards for a perfect, precision fit.\u003c\/li\u003e \n\u003c\/ul\u003e\n\n\u003c!-- Detailed Description --\u003e\n\u003ch2\u003eProfessional Thread Adaptation \u0026amp; Stability\u003c\/h2\u003e \n\u003cp\u003e \n    The \u003cstrong\u003eStainless Steel Reducer Bushing with Flange\u003c\/strong\u003e is a \"must-have\" accessory for photographers upgrading their equipment to professional Arca-Swiss standards. 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This adapter allows you to switch your setup orientation almost instantly, making it an essential component for photographers who need to transition between landscape and portrait or change rail directions without disassembling their entire rig.\n\u003c\/p\u003e \n\n\u003chr\u003e \n\n\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e \n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eUniversal Versatility:\u003c\/strong\u003e Designed to mount seamlessly to all standard clamps featuring a center slot, providing a modular bridge for your quick-release system.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eRapid Orientation Switching:\u003c\/strong\u003e Specifically engineered to let you rotate or switch your gear configuration quickly, saving time during technical shoots.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePrecision Compatibility:\u003c\/strong\u003e Fits any clamp equipped with a center slot wider than 0.207 inches (5.25mm). Please verify your specific clamp dimensions for a perfect fit.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eRock-Solid Stability:\u003c\/strong\u003e Designed for high rigidity to ensure your gear remains perfectly aligned and twist-free during use.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePremium Construction:\u003c\/strong\u003e Precision CNC-machined from solid 6061-T6 aircraft-grade aluminum for professional-grade durability.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eDurable Finish:\u003c\/strong\u003e Features a black hard-coat anodized surface for superior scratch and corrosion protection.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured to exacting professional tolerances for lifelong reliability.\u003c\/li\u003e \n\u003c\/ul\u003e \n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e \n\u003ch2\u003eProfessional Orientation \u0026amp; Setup Flexibility\u003c\/h2\u003e \n\u003cp\u003e \n    The \u003cstrong\u003eClamp Adapter\u003c\/strong\u003e is a highly effective \"problem-solver\" for building modular photography rigs. Whether you are using it on a nodal slide, a macro rail, or a tripod head, this adapter acts as the critical interface that allows for 90-degree adjustments or multi-axis configurations. \n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eTechnical Integrity and Field Use:\u003c\/strong\u003e Built for the rigors of professional field photography, this adapter is fully compatible with the Arca-Swiss ecosystem, including equipment from major brands like RRS, Kirk, and Leofoto. Its low-profile design ensures that it provides the necessary functionality without adding excessive bulk or weight to your setup.\n\u003c\/p\u003e \n\n\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e \n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eSlot Requirement:\u003c\/strong\u003e Compatible with center slots \u0026gt; 0.207 inches\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e Arca-Swiss Compatible\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e \n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701592227945,"sku":"Clamp-Adapter","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/Clamp-Adapter-2.jpg?v=1792110725"},{"product_id":"arca-swiss-clamp-adapter-peak-design-capture-v3","title":"Arca-Swiss Clamp Adapter for Peak Design Capture Clip V3","description":"\u003c!-- Gray Banner Header --\u003e\n\u003cdiv style=\"background:#e5e5e5; padding:12px 15px; margin-bottom:18px;\"\u003e \n    \u003cstrong\u003eArca-Type Clamp Adapter | Compatible with Peak Design Capture Camera Clip V3\u003c\/strong\u003e \n\u003c\/div\u003e\n\n\u003c!-- Main Product Title \u0026 Overview --\u003e\n\u003ch1\u003eArca-Swiss Clamp Adapter for Peak Design Capture Clip V3\u003c\/h1\u003e\n\u003cp\u003e\n    The \u003cstrong\u003eClamp Adapter for Peak Design Capture Camera Clip V3\u003c\/strong\u003e is a precision-engineered solution that allows you to integrate your Peak Design harness system with professional Arca-type equipment. This adapter provides a secure mounting bridge, letting you switch your setup orientation quickly and move seamlessly between your Capture Clip and Arca-Swiss compatible tripod heads or clamps.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- Key Features Section --\u003e\n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e\n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eUniversal Arca Compatibility:\u003c\/strong\u003e Specifically designed to allow the Peak Design Capture Clip V3 to be used with standard Arca-type clamps and equipment.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eModular Integration:\u003c\/strong\u003e Can be mounted to various clamps, providing a reliable and stable interface for your camera support rig.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePrecision Construction:\u003c\/strong\u003e Expertly CNC-machined from solid 6061-T6 aircraft-grade aluminum for professional durability.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eDurable Finish:\u003c\/strong\u003e Features a black hard-coat anodized surface for superior scratch and corrosion protection.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Lightweight:\u003c\/strong\u003e Maintains a low profile with a 1.5-inch square footprint and 3\/8-inch thickness, adding minimal bulk to your setup.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured to exacting professional tolerances for lifelong reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- Detailed Product Description --\u003e\n\u003ch2\u003eSeamless Setup Orientation \u0026amp; Reliability\u003c\/h2\u003e \n\u003cp\u003e \n    Modernize your photography workflow with a \u003cstrong\u003eprofessional Arca-style clamp adapter\u003c\/strong\u003e built for technical flexibility. This adapter acts as the critical bridge for photographers who utilize the Peak Design system but require the precision of an Arca-Swiss standard mount for their tripods or custom rigs. By providing a stable \"sandwich\" interface, it ensures your gear remains perfectly aligned and secure during active field use.\n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eEngineered for Field Performance:\u003c\/strong\u003e Designed for the rigors of professional photography, this adapter is fully compatible with the broader Arca-Swiss ecosystem, including accessories from major brands such as RRS and Kirk. Whether you are transitioning from a backpack harness to a tripod or building a custom modular camera setup, this adapter provides the structural integrity and precision required for advanced technical photography.\n\u003c\/p\u003e\n\n\u003c!-- Technical Specifications --\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 1.5 inch square\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 3\/8 inches\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Peak Design Capture Camera Clip V3\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701592260713,"sku":"Clamp-Adapter-Peak-Design","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/Clamp-Adapter-Peak-Design-2.jpg?v=1792110728"},{"product_id":"2-375-arca-swiss-clamp-long-black-knob-30mm-hex","title":"2.375\" Arca-Swiss Compatible Quick Release Clamp | Long Black Knob","description":"\u003c!-- Gray Banner Header --\u003e\n\u003cdiv style=\"background:#e5e5e5; padding:12px 15px; margin-bottom:18px;\"\u003e \n    \u003cstrong\u003e2.375 Inch Arca-Swiss Compatible Quick Release Clamp | Long Black Hex-Ready Knob \u0026amp; 30mm Spacing\u003c\/strong\u003e \n\u003c\/div\u003e\n\n\u003c!-- Main Product Title \u0026 Overview --\u003e\n\u003ch1\u003e2.375\" Arca-Swiss Compatible Quick Release Clamp | Long Black Knob\u003c\/h1\u003e\n\u003cp\u003e\n    The 2.375-inch jaw length \u003cstrong\u003eArca-Swiss compatible clamp\u003c\/strong\u003e is a precision-engineered mounting solution designed for maximum versatility and field reliability. This model features a specialized \u003cstrong\u003elong black captive knob\u003c\/strong\u003e with an integrated 5mm hex wrench port for high-torque tightening and a low-profile design that allows for mounting on flat surfaces without knob interference.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- Key Features Section --\u003e\n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e\n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eDual-Drive Long Black Knob:\u003c\/strong\u003e The ergonomic long knob includes an internal socket for a 5mm hex wrench, allowing for extra security or operation in tight spaces.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFlat Surface Compatibility:\u003c\/strong\u003e Engineered so the knob does not interfere with the mounting plane, allowing the clamp to be bolted directly to flat plates or custom rails.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCompact 2.375\" Jaw Length:\u003c\/strong\u003e An ideal size for ball heads and travel tripods, providing a secure, high-tension grip without excessive weight.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCaptive Safety Mechanism:\u003c\/strong\u003e The knob stops at its maximum opening position, ensuring it cannot be backed out or lost while working in the field.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePrecision Dual Mounts:\u003c\/strong\u003e Includes two outside 1\/4-20 tapped holes spaced exactly 30mm apart for specialized multi-point or anti-twist attachments.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVersatile Mounting Interface:\u003c\/strong\u003e Center socket is countersunk on top for 1\/4-20 or M6 screws and is also natively threaded for standard 3\/8-16 studs.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eSafety Relief Grooves:\u003c\/strong\u003e 2.6mm deep relief grooves guarantee compatibility with Arca-type plates featuring safety stops, preventing gear \"free fall\" if the clamp is partially open.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Integration:\u003c\/strong\u003e The rear side features a dedicated registration groove to match professional ball head connections, effectively eliminating unwanted rotation during use.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePremium Materials:\u003c\/strong\u003e Precision CNC-machined from solid 6061-T6 aircraft-grade aluminum with a durable black hard-coat anodized finish.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured to professional tolerances for lifelong reliability.\u003c\/li\u003e \n\u003c\/ul\u003e\n\n\u003c!-- Detailed Description --\u003e\n\u003ch2\u003eProfessional Arca-Type Quick Release Solution\u003c\/h2\u003e \n\u003cp\u003e \n    Upgrade your camera support gear with a \u003cstrong\u003eprofessional Arca-style clamp\u003c\/strong\u003e built for technical precision. The \"Micro-Vise\" design ensures a tenacious, twist-free grip on any compatible plate from leading brands like RRS, Kirk, Wimberley, and Markins. The unique ability to use a 5mm hex wrench on the knob makes this clamp a favorite for permanent installations or setups where extra leverage is required.\n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eAdvanced Safety and Field Reliability:\u003c\/strong\u003e Built for the rigors of professional use, the 2.6mm deep relief grooves serve as a critical fail-safe against accidental gear drops. The back of the clamp includes a registration channel designed to mate securely with common ball head posts, eliminating the shifting common with heavy camera setups or vertical shooting. 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Featuring a \u003cstrong\u003elong black captive knob\u003c\/strong\u003e with an integrated 5mm hex wrench socket, this clamp allows for extreme tightening force while maintaining a low-profile footprint that won't interfere with flat mounting surfaces.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e\n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDual-Drive Long Black Knob:\u003c\/strong\u003e Ergonomic knob design includes a 5mm hex wrench socket for added leverage and security.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSurface Clearance Design:\u003c\/strong\u003e Specifically engineered to be mounted on flat surfaces without the knob interfering with the mounting plane.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e3.25\" Jaw Length:\u003c\/strong\u003e Provides an ideal balance of surface contact and compact design for professional Arca-type plates and rails.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVersatile Mounting Interface:\u003c\/strong\u003e Center socket is countersunk on top for 1\/4-20 or M6 screws and is natively threaded for 3\/8-16 studs.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePrecision Dual Mounts:\u003c\/strong\u003e Includes two outside 1\/4-20 tapped holes spaced exactly 45mm apart for specialized multi-point attachments.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSafety Relief Grooves:\u003c\/strong\u003e 2.6mm deep relief grooves prevent gear \"free fall\" by catching safety stops on Arca-type plates if the clamp is partially open.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Integration:\u003c\/strong\u003e The rear side features a dedicated groove designed to match professional ball head connections, effectively preventing unwanted rotation.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eField-Safe Hardware:\u003c\/strong\u003e The knob is fully captive, meaning it stops at maximum opening and cannot be lost or dropped in the field.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e\n\u003ch2\u003eProfessional Arca-Type Quick Release Solution\u003c\/h2\u003e\n\u003cp\u003e\n    This 3.25-inch quick release clamp is built for the rigors of technical photography, from macro focus stacking to long-exposure landscape work. Precision CNC-machined from aircraft-grade 6061-T6 aluminum and finished with a durable hard-coat anodize, it delivers a tenacious, twist-free grip on compatible plates from major brands like RRS, Kirk, Wimberley, and Markins.\n\u003c\/p\u003e\n\u003cp\u003e\n    \u003cstrong\u003eAdvanced Torque and Reliability:\u003c\/strong\u003e The inclusion of a 5mm hex socket in the knob allows photographers to use a wrench for an extra-secure lock, providing peace of mind when supporting heavy telephoto lenses or complex modular rigs. Combined with integrated safety relief paths and an anti-twist rear channel, this clamp ensures your gear remains stable and protected in any orientation. Proudly made in the USA to professional-grade tolerances.\n\u003c\/p\u003e\n\n\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eJaw Length:\u003c\/strong\u003e 3.25 Inches (82.55mm)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eKnob Type:\u003c\/strong\u003e Long Black with 5mm Hex Socket (Captive Design)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMounting Holes:\u003c\/strong\u003e Two 1\/4-20 tapped holes (45mm spacing)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCenter Threading:\u003c\/strong\u003e Threaded 3\/8-16 and countersunk for M6\/1\/4-20\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRelief Groove Depth:\u003c\/strong\u003e 2.6mm\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701596913769,"sku":"F163b","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/F163b-2.jpg?v=1792110943"},{"product_id":"1-50-inch-arca-swiss-clamp-bubble-level-dovetail","title":"1.50\" Arca-Swiss Compatible Clamp with Bubble Level and Bottom Dovetail","description":"\u003c!-- Gray Banner Header --\u003e\n\u003cdiv style=\"background:#e5e5e5; padding:12px 15px; margin-bottom:18px;\"\u003e \n    \u003cstrong\u003e1.50 Inch Arca-Swiss Compatible Quick Release Clamp | Bubble Level, Bottom Dovetail \u0026amp; Black Knob\u003c\/strong\u003e \n\u003c\/div\u003e\n\n\u003c!-- Main Product Title \u0026 Overview --\u003e\n\u003ch1\u003e1.50\" Arca-Swiss Compatible Clamp with Bubble Level and Bottom Dovetail\u003c\/h1\u003e\n\u003cp\u003e\n    This 1.50-inch jaw length \u003cstrong\u003eArca-Swiss compatible clamp\u003c\/strong\u003e is a high-precision mounting solution designed for maximum field efficiency. Featuring an \u003cstrong\u003eintegrated bubble level\u003c\/strong\u003e and a \u003cstrong\u003ebuilt-in bottom dovetail\u003c\/strong\u003e, this clamp allows for instant leveling and seamless transitions between different camera and lens configurations.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- Key Features Section --\u003e\n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e\n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eIntegrated Bubble Level:\u003c\/strong\u003e High-visibility level built directly into the clamp body provides immediate visual alignment for technical landscape and architectural photography.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBuilt-in Bottom Dovetail:\u003c\/strong\u003e Machined Arca-style dovetail on the base allows the clamp to be mounted inside another clamp—perfect for quickly switching from non-collared to collared lenses.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVersatile Mounting Interface:\u003c\/strong\u003e Center socket is countersunk on top for 1\/4-20 or M6 screws and is also natively threaded for standard 3\/8-16 tripod studs.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCompact 1.50\" Design:\u003c\/strong\u003e Ideal low-profile footprint for travel tripods and mirrorless systems, providing a rock-solid grip without added bulk.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eBlack Captive Knob:\u003c\/strong\u003e Ergonomic design for reliable locking; the captive mechanism ensures the knob stops at its maximum opening and \u003cem\u003ecannot be lost in the field\u003c\/em\u003e.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Integration:\u003c\/strong\u003e The rear side features a precision-machined groove to match professional ball head connections, effectively preventing unwanted rotation during use.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eProfessional Construction:\u003c\/strong\u003e Precision CNC-machined from solid 6061-T6 aircraft-grade aluminum for maximum durability.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eDurable Finish:\u003c\/strong\u003e Hard-coat anodized for superior resistance to wear, scratches, and environmental elements.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured to exacting professional tolerances for lifelong reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- Detailed Product Description --\u003e\n\u003ch2\u003ePrecision Leveling \u0026amp; Modular Versatility\u003c\/h2\u003e \n\u003cp\u003e \n    Upgrade your workflow with a \u003cstrong\u003eprofessional Arca-style clamp\u003c\/strong\u003e built for technical accuracy. The integrated bubble level ensures your horizon is perfectly straight, while the unique bottom dovetail transforms this clamp into a modular \"clamp-in-clamp\" adapter. This is an essential tool for photographers who need to rapidly adapt their tripod head for different lens setups without fiddling with tools.\n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eAdvanced Safety and Field Reliability:\u003c\/strong\u003e Designed for the rigors of professional field work, the black knob is fully captive. It is engineered to stop at its maximum opening, ensuring the hardware remains intact and cannot be lost. This reliability, combined with the anti-twist registration channel on the underside, ensures a professional-grade, twist-free interface for your most demanding shots. \n\u003c\/p\u003e\n\n\u003c!-- Technical Specifications --\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eJaw Length:\u003c\/strong\u003e 1.50 Inches (38.1mm)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eLeveling:\u003c\/strong\u003e Integrated Bubble Level\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBase Design:\u003c\/strong\u003e Integrated Arca-Swiss Style Dovetail\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eKnob Type:\u003c\/strong\u003e Black Captive (Field-Safe Design)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCenter Mounting:\u003c\/strong\u003e Threaded 3\/8-16 \u0026amp; Countersunk for 1\/4-20 or M6\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701596946537,"sku":"F291b","price":55.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/F291b-2.jpg?v=1792110945"},{"product_id":"1-50-inch-arca-swiss-quick-release-clamp-black-kno","title":"1.50\" Arca-Swiss Compatible Quick Release Clamp","description":"\u003c!-- Gray Banner Header --\u003e\n\u003cdiv style=\"background:#e5e5e5; padding:12px 15px; margin-bottom:18px;\"\u003e \n    \u003cstrong\u003e1.50 Inch Arca-Swiss Compatible Quick Release Clamp | Black Knob \u0026amp; Anti-Twist Groove\u003c\/strong\u003e \n\u003c\/div\u003e\n\n\u003c!-- Main Product Title \u0026 Overview --\u003e\n\u003ch1\u003e1.50\" Arca-Swiss Compatible Quick Release Clamp\u003c\/h1\u003e\n\u003cp\u003e\n    This 1.50-inch jaw length \u003cstrong\u003eArca-Swiss compatible clamp\u003c\/strong\u003e is a compact, precision-engineered mounting solution designed for professional photographers who require a lightweight yet incredibly secure interface. Featuring a sleek \u003cstrong\u003eblack captive knob\u003c\/strong\u003e and a versatile dual-purpose mounting base, this clamp provides an essential foundation for stable camera setups on travel tripods and custom modular rigs.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- Key Features Section --\u003e\n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e\n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCompact 1.50\" Jaw Length:\u003c\/strong\u003e An ideal low-profile size for smaller ball heads and mirrorless camera systems, providing a secure grip without excessive weight or bulk.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eBlack Captive Knob:\u003c\/strong\u003e Ergonomic design allows for effortless locking; the captive mechanism ensures the knob stops at its maximum opening and cannot be lost in the field.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eVersatile Mounting Interface:\u003c\/strong\u003e Center socket is countersunk on top for 1\/4-20 or M6 screws and is also natively threaded for standard 3\/8-16 tripod studs.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Integration:\u003c\/strong\u003e The rear side features a precision-machined groove to match professional ball head connections, effectively preventing unwanted rotation during use.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePremium Materials:\u003c\/strong\u003e Precision CNC-machined from solid 6061-T6 aircraft-grade aluminum for professional durability and strength.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eHard-Coat Finish:\u003c\/strong\u003e Finished with a durable black hard-coat anodized surface for superior resistance to wear and environmental elements.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured to professional tolerances for lifelong reliability.\u003c\/li\u003e \n\u003c\/ul\u003e\n\n\u003c!-- Detailed Description --\u003e\n\u003ch2\u003eProfessional Arca-Type Quick Release Solution\u003c\/h2\u003e \n\u003cp\u003e \n    Upgrade your camera support gear with this \u003cstrong\u003eprofessional Arca-style clamp\u003c\/strong\u003e. Its \"Micro-Vise\" design delivers a tenacious, twist-free grip on any compatible plate from major industry standards like RRS (Really Right Stuff), Kirk, Wimberley, and Markins. The ultra-portable 1.50-inch profile makes it a versatile choice for photographers who need to maintain a small footprint while ensuring high-performance gear mounting.\n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eAdvanced Safety and Field Reliability:\u003c\/strong\u003e Built for the rigors of field photography, the integrated safety features serve as a critical fail-safe against accidental gear drops. The captive hardware ensures no components can be accidentally backed out or lost while working in demanding environments. Additionally, the back-side registration channel aligns perfectly with common ball head posts, eliminating the shifting common with heavy camera setups.\n\u003c\/p\u003e\n\n\u003c!-- Technical Specifications --\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eJaw Length:\u003c\/strong\u003e 1.50 Inches (38.1mm)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eKnob Type:\u003c\/strong\u003e Black (Captive Field-Safe Design)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCenter Threading:\u003c\/strong\u003e Threaded 3\/8-16 and countersunk for M6\/1\/4-20\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eSafety Feature:\u003c\/strong\u003e Anti-Twist Back-Side Groove\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e \n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701596979305,"sku":"F361b","price":55.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/F361b-2.jpg?v=1792110947"},{"product_id":"2-375-arca-swiss-clamp-bubble-level-long-black-30m","title":"2.375\" Arca-Swiss Compatible Quick Release Clamp with Bubble Level","description":"\u003c!-- Gray Banner Header --\u003e\n\u003cdiv style=\"background:#e5e5e5; padding:12px 15px; margin-bottom:18px;\"\u003e \n    \u003cstrong\u003e2.375 Inch Arca-Swiss Compatible Quick Release Clamp | Bubble Level, Long Black Knob \u0026amp; 30mm Spacing\u003c\/strong\u003e \n\u003c\/div\u003e\n\n\u003c!-- Main Product Title \u0026 Overview --\u003e\n\u003ch1\u003e2.375\" Arca-Swiss Compatible Quick Release Clamp with Bubble Level\u003c\/h1\u003e\n\u003cp\u003e\n    The 2.375-inch jaw length \u003cstrong\u003eArca-Swiss compatible clamp\u003c\/strong\u003e is a precision-engineered mounting solution featuring an \u003cstrong\u003eintegrated bubble level\u003c\/strong\u003e for instant, accurate alignment. Equipped with a high-leverage \u003cstrong\u003elong black captive knob\u003c\/strong\u003e and specialized 30mm spaced mounts, this clamp provides a professional-grade foundation for tripod heads, panoramic systems, and custom modular rigs.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- Key Features Section --\u003e\n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e\n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eIntegrated Bubble Level:\u003c\/strong\u003e High-precision level built directly into the clamp body allows for immediate visual leveling—essential for technical landscape and architectural photography.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCompact 2.375\" Jaw Length:\u003c\/strong\u003e An ideal size for ball heads and travel tripods, providing a secure, high-tension grip without excessive weight.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eLong Black Captive Knob:\u003c\/strong\u003e Ergonomic, high-leverage design ensures easy operation even while wearing gloves; the captive mechanism ensures the knob stops at maximum opening and cannot be lost in the field.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePrecision Dual Mounts:\u003c\/strong\u003e Includes two outside 1\/4-20 tapped holes spaced exactly 30mm apart for specialized multi-point or anti-twist attachments.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVersatile Mounting Interface:\u003c\/strong\u003e Center socket is countersunk on top for 1\/4-20 or M6 screws and is natively threaded for standard 3\/8-16 studs.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eSafety Relief Grooves:\u003c\/strong\u003e 2.6mm deep relief grooves guarantee compatibility with Arca-type plates and rails featuring safety stops, preventing gear \"free fall\" if the clamp is partially open.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Integration:\u003c\/strong\u003e The rear side features a dedicated registration groove to match professional ball head connections, effectively eliminating unwanted rotation during use.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePremium Materials:\u003c\/strong\u003e Precision CNC-machined from solid 6061-T6 aircraft-grade aluminum with a durable black hard-coat anodized finish for superior wear resistance.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured to professional tolerances to ensure lifelong reliability in demanding field conditions.\u003c\/li\u003e \n\u003c\/ul\u003e\n\n\u003c!-- Detailed Description --\u003e\n\u003ch2\u003eProfessional Arca-Type Quick Release Solution\u003c\/h2\u003e \n\u003cp\u003e \n    Modernize your camera support gear with this \u003cstrong\u003eprofessional Arca-style clamp\u003c\/strong\u003e designed for photographers who prioritize technical precision. The \"Micro-Vise\" design ensures a tenacious, twist-free grip on any compatible plate from leading brands like RRS, Kirk, Wimberley, and Markins. The 2.375-inch profile is a highly versatile size, perfect for use as a high-performance replacement for standard factory clamps on various tripod heads.\n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eAdvanced Safety and Field Reliability:\u003c\/strong\u003e Built for the rigors of professional use, the integrated safety relief grooves serve as a critical fail-safe against accidental gear drops. The back of the clamp includes a registration channel designed to mate securely with common ball head posts, eliminating the shifting common with heavy camera setups. This clamp delivers the structural integrity and precision required for advanced macro, landscape, and panoramic photography.\n\u003c\/p\u003e\n\n\u003c!-- Technical Specifications --\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eJaw Length:\u003c\/strong\u003e 2.375 Inches (60.3mm)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eLeveling:\u003c\/strong\u003e Integrated Bubble Level\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eKnob Type:\u003c\/strong\u003e Long Black (Captive Field-Safe Design)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMounting Holes:\u003c\/strong\u003e Two 1\/4-20 tapped holes (30mm spacing)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCenter Threading:\u003c\/strong\u003e Threaded 3\/8-16 and countersunk for M6\/1\/4-20\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eRelief Groove Depth:\u003c\/strong\u003e 2.6mm\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e \n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701597044841,"sku":"F362b","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/F362b-2.jpg?v=1792110949"},{"product_id":"3-25-inch-arca-type-quick-release-clamp-bubble-lev","title":"3.25\" Arca-Type Quick Release Clamp with Integrated Bubble Level","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e\n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e\n    \u003cstrong\u003e3.25 Inch Arca-Type Quick Release Clamp | Integrated Bubble Level \u0026amp; Long Black Knob\u003c\/strong\u003e\n\u003c\/div\u003e\n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e\n\u003ch1\u003e3.25\" Arca-Type Quick Release Clamp with Integrated Bubble Level\u003c\/h1\u003e\n\u003cp\u003e\n    The 3.25-inch \u003cstrong\u003eArca-type quick release clamp\u003c\/strong\u003e is a versatile and robust solution for upgrading tripod heads or building custom photography rigs. Engineered for photographers who demand exact alignment and absolute security, this clamp features an \u003cstrong\u003eintegrated bubble level\u003c\/strong\u003e and an all-black professional aesthetic.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e\n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIntegrated Bubble Level:\u003c\/strong\u003e Built-in spirit level allows for precise horizontal alignment, essential for panoramic and architectural photography.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e3.25\" Jaw Length:\u003c\/strong\u003e Provides an optimized surface area for a rock-solid, twist-free grip on Arca-Swiss style plates and rails.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLong Black Captive Knob:\u003c\/strong\u003e Ergonomic one-piece design provides excellent grip and is fully captive, stopping at maximum opening to prevent loss in the field.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVersatile Mounting Interface:\u003c\/strong\u003e Center socket is countersunk on top and threaded 3\/8-16; includes two outside 1\/4-20 tapped holes spaced exactly 45mm apart.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSafety Relief Grooves:\u003c\/strong\u003e 2.6mm deep relief grooves ensure compatibility with plates featuring safety stops, preventing gear \"free fall\" if the clamp is partially open.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Integration:\u003c\/strong\u003e The rear side features a dedicated groove designed to match common ball head connections, effectively preventing the clamp from twisting during use.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePremium Construction:\u003c\/strong\u003e Precision CNC-machined from 6061-T6 aircraft-grade aluminum and finished with a durable black hard-coat anodize.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured to professional-grade tolerances for lifelong reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e\n\u003ch2\u003eProfessional Arca-Swiss Compatible Mounting Solution\u003c\/h2\u003e\n\u003cp\u003e\n    This \u003cstrong\u003eArca-type quick release clamp\u003c\/strong\u003e is the ideal choice for photographers seeking a secure, low-profile mounting interface. Its \"Micro-Vise\" design delivers a tenacious grip on any compatible plate from major brands such as RRS, Kirk, Wimberley, and Markins. The extended 3.25-inch jaws provide superior stability compared to standard clamps, making it perfect for supporting heavy telephoto lenses or macro focus stacking setups.\n\u003c\/p\u003e\n\u003cp\u003e\n    \u003cstrong\u003eAdvanced Safety and Field Reliability:\u003c\/strong\u003e Built to withstand the rigors of professional use, the integrated safety relief grooves act as a critical fail-safe against accidental gear drops. The captive hardware ensures you are never stranded on a location shoot due to a missing knob, while the dust and sand-resistant design protects the internal mechanism. Whether you are leveling for a landscape or securing a custom modular rig, this high-performance clamp offers the structural integrity required for precise technical photography.\n\u003c\/p\u003e\n\n\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eJaw Length:\u003c\/strong\u003e 3.25 Inches (82.5mm)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eKnob Type:\u003c\/strong\u003e Long Black (Captive Field-Safe Design)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLevel:\u003c\/strong\u003e Integrated High-Visibility Bubble Level\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMounting Holes:\u003c\/strong\u003e Two 1\/4-20 tapped holes (45mm spacing)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCenter Threading:\u003c\/strong\u003e Threaded 3\/8-16 and countersunk for M6\/1\/4-20\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRelief Groove Depth:\u003c\/strong\u003e 2.6mm\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701597143145,"sku":"F363b","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/F363b-2.jpg?v=1792110951"},{"product_id":"f51-dual-side-back-to-back-arca-swiss-clamp","title":"2.375\" Dual Side Back-to-Back Arca-Swiss Double Clamp","description":"\u003c!-- Gray Banner Header --\u003e\n\u003cdiv style=\"background:#e5e5e5; padding:12px 15px; margin-bottom:18px;\"\u003e \n    \u003cstrong\u003eF51 | 2.375\" Dual Side Back-to-Back Arca-Type Quick Release Double Clamp\u003c\/strong\u003e \n\u003c\/div\u003e\n\n\u003c!-- Main Product Title \u0026 Overview --\u003e\n\u003ch1\u003e2.375\" Dual Side Back-to-Back Arca-Swiss Double Clamp\u003c\/h1\u003e\n\u003cp\u003e\n    The \u003cstrong\u003eF51\u003c\/strong\u003e is a specialized back-to-back double clamp designed to securely connect two Arca-type rails or plates. This precision-machined coupler allows for versatile rigging, ensuring that identical rails align perfectly with the clamp center on each side. It is a robust solution for photographers requiring back-to-back mounting capabilities with tool-free, secure operation.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- Quick Overview Section --\u003e\n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e\n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e F51 Double-sided Arca-type back-to-back design.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePrecision Alignment:\u003c\/strong\u003e Engineered to align identical rails to the clamp center on both sides for balanced and symmetrical setups.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Works seamlessly with Arca-style rails and plates of varying widths from manufacturers such as RRS, Kirk, and Leofoto.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eDual Captive Knobs:\u003c\/strong\u003e Both high-torque knobs are fully captive, stopping at their maximum opening to ensure they are \u003cem\u003enever lost in the field\u003c\/em\u003e.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eSafety Relief Grooves:\u003c\/strong\u003e Integrated deep relief grooves prevent gear \"free fall\" when paired with plates featuring safety stops.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eProfessional Construction:\u003c\/strong\u003e Precision CNC-machined from solid 6061-T6 aircraft-grade aluminum.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eDurable Finish:\u003c\/strong\u003e Hard-coat anodized for maximum resistance to wear and environmental corrosion.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured to exacting professional tolerances for lifelong reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- Detailed Product Description --\u003e\n\u003ch2\u003eVersatile Back-to-Back Mounting Solution\u003c\/h2\u003e \n\u003cp\u003e \n    The \u003cstrong\u003eF51 Back-to-Back Clamp\u003c\/strong\u003e is an essential component for photographers building complex macro rigs, panoramic brackets, or multi-axis camera setups. By mounting two Arca-type clamps back-to-back, it provides a rock-solid connection between any two Arca-compatible components, such as a lens foot and an adapter or two multipurpose rails.\n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eAdvanced Safety and Field Reliability:\u003c\/strong\u003e Engineered for the rigors of professional field work, the F51 incorporates deep safety relief grooves as a critical fail-safe. If your plates or rails are equipped with safety stops, these grooves prevent your camera or lens from sliding out if a clamp is partially open. The unyielding 6061-T6 aluminum construction ensures zero flex, providing the structural integrity and precision required for the most demanding technical photography. \n\u003c\/p\u003e\n\n\u003c!-- Technical Specifications --\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eJaw Length:\u003c\/strong\u003e 2.375 Inches (60.3mm)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Back-to-Back Dual Side Clamp\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eKnob Type:\u003c\/strong\u003e Dual Black Captive Knobs (Field-Safe Design)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eSafety Feature:\u003c\/strong\u003e Deep Relief Grooves for Safety Stops\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701597175913,"sku":"F51","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/F51-2.jpg?v=1792110954"},{"product_id":"f52-perpendicular-double-arca-swiss-clamp","title":"Perpendicular Arca-Swiss Double Quick Release Clamp","description":"\u003c!-- Gray Banner Header --\u003e\n\u003cdiv style=\"background:#e5e5e5; padding:12px 15px; margin-bottom:18px;\"\u003e \n    \u003cstrong\u003ePerpendicular Arca-Type Quick Release Double Clamp (90-Degree) | Model F52\u003c\/strong\u003e \n\u003c\/div\u003e\n\n\u003c!-- Main Product Title \u0026 Overview --\u003e\n\u003ch1\u003ePerpendicular Arca-Swiss Double Quick Release Clamp\u003c\/h1\u003e\n\u003cp\u003e\n    The \u003cstrong\u003eF52\u003c\/strong\u003e is a precision-engineered double clamp designed to mount two Arca-type rails or plates \u003cstrong\u003eperpendicular (90 degrees)\u003c\/strong\u003e to each other. This specialized mounting tool is an essential component for photographers building vertical rail systems for panoramic photography or providing high-stability support for heavy telephoto lenses.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- Quick Overview Section --\u003e\n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e\n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e F52 Perpendicular Arca-type quick release double clamp.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e90-Degree Connection:\u003c\/strong\u003e Specialized design allows for the secure perpendicular attachment of two Arca-style rails or plates.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Fully compatible with Arca-Swiss style components from RRS, Kirk, Wimberley, Markins, and Leofoto.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eVersatile Center Socket:\u003c\/strong\u003e Equipped with a center socket for direct mounting onto select ball heads or custom supports.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDual Captive Knobs:\u003c\/strong\u003e Both high-torque knobs are fully captive, stopping at their maximum opening to ensure they \u003cem\u003ecannot be lost in the field\u003c\/em\u003e.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eSafety Relief Grooves:\u003c\/strong\u003e Integrated deep relief grooves prevent gear \"free fall\" when paired with plates featuring safety stops.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eProfessional Construction:\u003c\/strong\u003e Precision CNC-machined from solid 6061-T6 aircraft-grade aluminum.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eDurable Finish:\u003c\/strong\u003e Hard-coat anodized for maximum resistance to wear and environmental corrosion.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured to professional tolerances for lifelong reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- Detailed Product Description --\u003e\n\u003ch2\u003ePrecision 90-Degree Mounting Solution\u003c\/h2\u003e \n\u003cp\u003e \n    The \u003cstrong\u003eF52 Perpendicular Double Clamp\u003c\/strong\u003e provides a rock-solid bridge for photographers constructing complex multi-axis rigs. By allowing two rails to attach at a perfect 90-degree angle, it serves as a critical component for creating vertical masts in panoramic photography or building custom lens support brackets for heavy telephoto glass.\n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eAdvanced Safety and Field Reliability:\u003c\/strong\u003e Beyond its rail-to-rail capabilities, the F52 offers the flexibility to be mounted directly onto compatible supports, making it a versatile \"problem-solver\" for technical gear kits. The integrated safety relief grooves serve as a vital fail-safe; when used with plates featuring safety stops, they prevent your camera or lens from sliding out if a clamp is accidentally left partially open. This clamp delivers the structural integrity and precision required for the most demanding technical photography.\n\u003c\/p\u003e\n\n\u003c!-- Technical Specifications --\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eJaw Length:\u003c\/strong\u003e 2.375 Inches (60.3mm)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eOrientation:\u003c\/strong\u003e Perpendicular (90-Degree) Double Clamp\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eKnob Type:\u003c\/strong\u003e Dual Black Captive Knobs (Field-Safe Design)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCenter Mounting:\u003c\/strong\u003e Integrated Center Socket\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSafety Feature:\u003c\/strong\u003e Deep Relief Grooves for Safety Stops\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701597208681,"sku":"F52","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/F52-2.jpg?v=1792110956"},{"product_id":"2-375-arca-swiss-clamp-3-8-16-mount-long-black","title":"2.375\" Arca-Swiss Compatible Quick Release Clamp | 3\/8-16 Mount","description":"\u003c!-- Gray Banner Header --\u003e\n\u003cdiv style=\"background:#e5e5e5; padding:12px 15px; margin-bottom:18px;\"\u003e \n    \u003cstrong\u003e2.375 Inch Arca-Swiss Compatible Quick Release Clamp | 3\/8-16 Screw Mount, Bubble Level \u0026amp; Long Black Knob\u003c\/strong\u003e \n\u003c\/div\u003e\n\n\u003c!-- Main Product Title \u0026 Overview --\u003e\n\u003ch1\u003e2.375\" Arca-Swiss Compatible Quick Release Clamp | 3\/8-16 Mount\u003c\/h1\u003e\n\u003cp\u003e\n    The 2.375-inch jaw length \u003cstrong\u003eArca-Swiss compatible clamp\u003c\/strong\u003e is a precision mounting solution featuring an \u003cstrong\u003eintegrated 3\/8-16 screw mount\u003c\/strong\u003e for direct attachment to tripod studs. This professional-grade clamp includes a built-in bubble level and a high-torque \u003cstrong\u003elong black captive knob\u003c\/strong\u003e, providing a rock-solid foundation for tripod heads, panoramic systems, and custom modular rigs.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- Key Features Section --\u003e\n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e\n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003e3\/8-16 Screw Mount:\u003c\/strong\u003e Center socket is natively threaded for standard 3\/8-16 tripod studs and countersunk on top for 1\/4-20 or M6 screws, allowing for versatile mounting configurations.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIntegrated Bubble Level:\u003c\/strong\u003e High-precision level built into the clamp body provides immediate visual alignment for technical landscape and architectural photography.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCompact 2.375\" Jaw Length:\u003c\/strong\u003e Perfectly sized for ball heads and travel tripods, offering a high-tension grip without adding excessive weight.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eLong Black Captive Knob:\u003c\/strong\u003e Ergonomic, high-leverage design ensures easy operation even while wearing gloves; the captive mechanism prevents the knob from backing out and being lost in the field.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePrecision Dual Mounts:\u003c\/strong\u003e Features two outside 1\/4-20 tapped holes spaced exactly 30mm apart for specialized multi-point attachments.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSafety Relief Grooves:\u003c\/strong\u003e 2.6mm deep relief grooves guarantee compatibility with Arca-type plates featuring safety stops, preventing gear \"free fall\" if the clamp is partially open.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Integration:\u003c\/strong\u003e The rear side features a dedicated registration groove to match professional ball head connections, effectively eliminating unwanted rotation during use.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePremium Materials:\u003c\/strong\u003e Precision CNC-machined from solid 6061-T6 aircraft-grade aluminum with a durable black hard-coat anodized finish.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured to professional tolerances for lifelong reliability in demanding field conditions.\u003c\/li\u003e \n\u003c\/ul\u003e\n\n\u003c!-- Detailed Description --\u003e\n\u003ch2\u003eProfessional Arca-Type Quick Release Solution\u003c\/h2\u003e \n\u003cp\u003e \n    Modernize your camera support gear with this \u003cstrong\u003eprofessional Arca-style clamp\u003c\/strong\u003e designed for photographers who prioritize technical precision. The \"Micro-Vise\" design ensures a tenacious, twist-free grip on any compatible plate from leading brands like RRS, Kirk, Wimberley, and Markins. The inclusion of the 3\/8-16 threaded center socket makes this a versatile adapter for converting various tripod platforms to the Arca-Swiss standard.\n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eAdvanced Safety and Field Reliability:\u003c\/strong\u003e Built for the rigors of professional use, the integrated safety relief grooves serve as a critical fail-safe against accidental gear drops. The back of the clamp includes a registration channel designed to mate securely with common ball head posts, eliminating the shifting common with heavy camera setups. This clamp delivers the structural integrity and precision required for advanced macro, landscape, and panoramic photography.\n\u003c\/p\u003e\n\n\u003c!-- Technical Specifications --\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eJaw Length:\u003c\/strong\u003e 2.375 Inches (60.3mm)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Threaded 3\/8-16 center socket (Countersunk for M6\/1\/4-20)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLeveling:\u003c\/strong\u003e Integrated Bubble Level\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eKnob Type:\u003c\/strong\u003e Long Black (Captive Field-Safe Design)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eSecondary Mounts:\u003c\/strong\u003e Two 1\/4-20 tapped holes (30mm spacing)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRelief Groove Depth:\u003c\/strong\u003e 2.6mm\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e \n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701597241449,"sku":"F562b","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/F562b-2.jpg?v=1792110958"},{"product_id":"hejnar-photo-f60b-1-0-inch-arca-type-clamp","title":"1.0\" Arca-Type Quick Release Clamp","description":"\u003c!-- Gray Banner Header --\u003e\n\u003cdiv style=\"background:#e5e5e5; padding:12px 15px; margin-bottom:18px;\"\u003e \n    \u003cstrong\u003eHejnar Photo F60b | 1.0\" Arca-Type Quick Release Clamp with 3\/8-16 Screw Mount\u003c\/strong\u003e \n\u003c\/div\u003e\n\n\u003c!-- Main Product Title \u0026 Overview --\u003e\n\u003ch1\u003e1.0\" Arca-Type Quick Release Clamp\u003c\/h1\u003e\n\u003cp\u003e\n    The \u003cstrong\u003eHejnar Photo F60b\u003c\/strong\u003e is an ultra-compact 1.0-inch Arca-type quick release clamp designed for high-precision mounting and rock-solid stability. Precision-machined from 6061-T6 aluminum, this clamp features a \u003cstrong\u003e3\/8-16 screw mount\u003c\/strong\u003e and a captive black knob, making it the perfect low-profile solution for travel tripods, ball heads, and custom photography rigs.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- Quick Overview Section --\u003e\n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e\n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e F60b 1.0 inch Arca-type quick release compatibility.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVersatile 3\/8-16 Mount:\u003c\/strong\u003e Center socket is natively threaded for 3\/8-16 tripod studs and countersunk on top for 1\/4-20 or M6 screws.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCaptive Black Knob:\u003c\/strong\u003e Ergonomic design for easy locking; the captive mechanism ensures the knob stops at its maximum opening and \u003cem\u003ecannot be lost in the field\u003c\/em\u003e.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Integration:\u003c\/strong\u003e The rear side features a precision-machined groove to match professional ball head connections, preventing the clamp from shifting or twisting during use.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eProfessional Construction:\u003c\/strong\u003e Precision CNC-machined from solid 6061-T6 aircraft-grade aluminum.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eDurable Finish:\u003c\/strong\u003e Hard-coat anodized for lifelong resistance to wear, scratches, and corrosion.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured to exacting professional tolerances for lifelong reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- Detailed Product Description --\u003e\n\u003ch2\u003eCompact \u0026amp; Robust Mounting Solution\u003c\/h2\u003e \n\u003cp\u003e \n    The \u003cstrong\u003eF60b Arca-type clamp\u003c\/strong\u003e offers a compact yet incredibly robust mounting solution for photographers and videographers who need to minimize weight without sacrificing security. Its specialized center socket provides exceptional flexibility, allowing for direct mounting on a wide variety of tripod platforms and modular camera setups.\n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eField Reliability and Safety:\u003c\/strong\u003e Designed for the rigors of outdoor photography, the black knob is fully captive. It is engineered to stop at its maximum opening, ensuring it can never be accidentally unscrewed or lost while working in the field. This reliability, combined with the anti-twist registration channel on the underside, ensures a professional-grade, twist-free interface that defines \u003cstrong\u003eHejnar Photo\u003c\/strong\u003e products. \n\u003c\/p\u003e\n\n\u003c!-- Technical Specifications --\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eJaw Length:\u003c\/strong\u003e 1.00 Inch (25.4mm)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eKnob Type:\u003c\/strong\u003e Captive Black Knob (Field-Safe Design)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCenter Mounting:\u003c\/strong\u003e Threaded 3\/8-16 \u0026amp; Countersunk for 1\/4-20 or M6\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701597274217,"sku":"F60b","price":50.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/F60b-2.jpg?v=1792110960"},{"product_id":"f61-1b-1-5-inch-arca-type-mini-clamp-black-knob","title":"1.5\" Arca-Type Quick Release Mini Clamp","description":"\u003c!-- Gray Banner Header --\u003e\n\u003cdiv style=\"background:#e5e5e5; padding:12px 15px; margin-bottom:18px;\"\u003e \n    \u003cstrong\u003eF61-1b | 1.5\" Arca-Type Quick Release Mini Clamp with 1\/4-20 Tapped Hole\u003c\/strong\u003e \n\u003c\/div\u003e\n\n\u003c!-- Main Product Title \u0026 Overview --\u003e\n\u003ch1\u003e1.5\" Arca-Type Quick Release Mini Clamp\u003c\/h1\u003e\n\u003cp\u003e\n    The \u003cstrong\u003eF61-1b\u003c\/strong\u003e is an ultra-compact 1.5-inch Arca-type mini clamp designed for minimalist mounting solutions and custom small-scale rigs. Featuring a \u003cstrong\u003e1\/4-20 tapped center hole\u003c\/strong\u003e, this precision-machined clamp is the ideal choice for mounting accessories, flash brackets, and lightweight camera setups where space is at a premium.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- Quick Overview Section --\u003e\n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e\n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e F61-1b 1.5 inch ultra-compact Arca-type design.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e1\/4-20 Tapped Center Hole:\u003c\/strong\u003e Allows for direct mounting to a wide variety of brackets, handles, and photographic accessories.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCaptive Black Mini Knob:\u003c\/strong\u003e Sleek, low-profile design ensures efficient locking; the captive mechanism ensures the knob stops at its maximum opening and cannot be lost in the field.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eLightweight Reliability:\u003c\/strong\u003e Provides the security of a standard Arca-Swiss system in the smallest possible footprint.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eProfessional Construction:\u003c\/strong\u003e Precision CNC-machined from solid 6061-T6 aircraft-grade aluminum.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eDurable Finish:\u003c\/strong\u003e Hard-coat anodized for superior resistance to wear, scratches, and corrosion.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured to professional tolerances for lifelong reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- Detailed Product Description --\u003e\n\u003ch2\u003eMinimalist Arca-Type Mounting Solution\u003c\/h2\u003e \n\u003cp\u003e \n    The \u003cstrong\u003eF61-1b Mini Clamp\u003c\/strong\u003e is the perfect solution for photographers and videographers who need the reliability of an Arca-type mounting system without the bulk of a full-sized clamp. Despite its diminutive size, this clamp is built to professional standards, providing a tenacious, slip-free grip for any compatible plates and rails.\n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eField-Safe Design:\u003c\/strong\u003e Engineered for the rigors of active field work, the black mini knob is fully captive. It is designed to stop at its maximum opening, ensuring the hardware remains intact and cannot be accidentally unscrewed or lost. 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Featuring an \u003cstrong\u003eintegrated Arca-style dovetail on the bottom\u003c\/strong\u003e and three dedicated strap loops, this clamp allows for seamless transitions between different camera and lens configurations, serving as a high-performance \"clamp-in-clamp\" solution.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- Quick Overview Section --\u003e\n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e\n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e F61-2b 1.50 inch Arca-type quick release compatibility.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBuilt-in Bottom Dovetail:\u003c\/strong\u003e Allows the clamp to be mounted directly inside another Arca-style clamp, perfect for rapidly switching between non-collared and collared lens setups.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eThree Integrated Strap Loops:\u003c\/strong\u003e Provides multiple secure attachment points for camera straps, slings, and safety tether systems.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e1\/4-20 Threaded Center Hole:\u003c\/strong\u003e Offers a standard mounting point for direct attachment to various brackets, handles, and photographic accessories.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBlack Captive Knob:\u003c\/strong\u003e Ergonomic design for reliable locking; the captive mechanism ensures the knob stops at its maximum opening and \u003cem\u003ecannot be lost in the field\u003c\/em\u003e.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eProfessional Construction:\u003c\/strong\u003e Precision CNC-machined from solid 6061-T6 aircraft-grade aluminum.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eDurable Finish:\u003c\/strong\u003e Hard-coat anodized for superior resistance to wear, scratches, and environmental elements.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured to exacting professional tolerances for lifelong reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- Detailed Product Description --\u003e\n\u003ch2\u003eModular Mounting \u0026amp; Versatile Carry Options\u003c\/h2\u003e \n\u003cp\u003e \n    The \u003cstrong\u003eF61-2b Arca-type clamp\u003c\/strong\u003e is a specialized solution for photographers who need to move quickly between different gear setups. The standout feature is the integrated Arca-style dovetail machined directly into its base. This design allows you to mount the F61-2b into your existing tripod head clamp, making it an ideal adapter for changing workflows without requiring hardware tools.\n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eField-Safe Engineering and Security:\u003c\/strong\u003e Beyond its mounting versatility, the three built-in strap loops offer flexible carry options for your favorite camera straps. Built to professional standards, the F61-2b features a captive knob that prevents accidental disassembly during active field use. Precision-milled from a solid block of aluminum, this clamp ensures the structural integrity and technical excellence required for advanced professional photography.\n\u003c\/p\u003e\n\n\u003c!-- Technical Specifications --\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eJaw Length:\u003c\/strong\u003e 1.50 Inches (38.1mm)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eBase Design:\u003c\/strong\u003e Integrated Arca-Swiss Style Dovetail\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eStrap Interface:\u003c\/strong\u003e 3 Integrated Strap Loops\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eKnob Type:\u003c\/strong\u003e Black Captive (Field-Safe Design)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCenter Mounting:\u003c\/strong\u003e Tapped 1\/4-20 Hole\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701597339753,"sku":"F61-2b","price":55.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/F61-2b-2.jpg?v=1792110964"},{"product_id":"1-50-inch-arca-swiss-clamp-black-knob-30mm","title":"1.50\" Arca-Swiss Compatible Quick Release Clamp","description":"\u003c!-- Gray Banner Header --\u003e\n\u003cdiv style=\"background:#e5e5e5; padding:12px 15px; margin-bottom:18px;\"\u003e \n    \u003cstrong\u003e1.50 Inch Arca-Swiss Compatible Quick Release Clamp | Black Knob \u0026amp; Anti-Twist Groove\u003c\/strong\u003e \n\u003c\/div\u003e\n\n\u003c!-- Main Product Title \u0026 Overview --\u003e\n\u003ch1\u003e1.50\" Arca-Swiss Compatible Quick Release Clamp\u003c\/h1\u003e\n\u003cp\u003e\n    This 1.50-inch jaw length \u003cstrong\u003eArca-Swiss compatible clamp\u003c\/strong\u003e is an ultra-compact, precision-engineered mounting solution for photographers requiring a lightweight yet incredibly secure interface. Featuring a sleek \u003cstrong\u003eblack captive knob\u003c\/strong\u003e and a versatile mounting base, this clamp provides a professional-grade foundation for travel tripods, monopods, and custom modular rigs.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- Key Features Section --\u003e\n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e\n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCompact 1.50\" Jaw Length:\u003c\/strong\u003e The perfect low-profile size for smaller ball heads and travel setups, providing a secure grip without adding unnecessary bulk.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eBlack Captive Knob:\u003c\/strong\u003e Ergonomic design allows for easy operation; the captive mechanism ensures the knob stops at maximum opening and cannot be lost in the field.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eVersatile Mounting Interface:\u003c\/strong\u003e Center socket is countersunk on top for 1\/4-20 or M6 screws and is natively threaded for standard 3\/8-16 tripod studs.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Integration:\u003c\/strong\u003e The rear side features a dedicated registration groove to match professional ball head connections, effectively preventing unwanted rotation during use.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePrecision Engineering:\u003c\/strong\u003e CNC-machined from solid 6061-T6 aircraft-grade aluminum for maximum durability and strength.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eProfessional Finish:\u003c\/strong\u003e Hard-coat anodized for superior resistance to scratches and environmental wear.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured to exacting tolerances for lifelong reliability in the field.\u003c\/li\u003e \n\u003c\/ul\u003e\n\n\u003c!-- Detailed Description --\u003e\n\u003ch2\u003eProfessional Arca-Type Quick Release Solution\u003c\/h2\u003e \n\u003cp\u003e \n    Modernize your camera support gear with this \u003cstrong\u003eprofessional Arca-style clamp\u003c\/strong\u003e. Its \"Micro-Vise\" design ensures a tenacious, twist-free grip on any compatible plate from major brands like RRS, Kirk, Wimberley, and Markins. The ultra-portable 1.50-inch profile makes it a versatile choice for photographers who need to maintain a small footprint without sacrificing mounting security.\n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eAdvanced Safety and Field Reliability:\u003c\/strong\u003e Built for the rigors of field photography, the captive hardware ensures you are never stranded on a shoot due to a missing component. The back of the clamp features a registration channel designed to mate with common ball head posts, eliminating the shifting common with heavy camera setups. Whether you are building a lightweight hiking rig or a custom macro setup, this clamp offers the structural integrity required for precise technical work.\n\u003c\/p\u003e\n\n\u003c!-- Technical Specifications --\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eJaw Length:\u003c\/strong\u003e 1.50 Inches (38.1mm)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eKnob Type:\u003c\/strong\u003e Black (Captive Field-Safe Design)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCenter Threading:\u003c\/strong\u003e Threaded 3\/8-16 and countersunk for M6\/1\/4-20\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Feature:\u003c\/strong\u003e Rear Registration Groove\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e \n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701597372521,"sku":"F61b","price":50.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/F61b-2.jpg?v=1792110966"},{"product_id":"1-5-inch-arca-type-back-to-back-clamp-set-black","title":"1.5\" Arca-Swiss Compatible Back-to-Back Clamp Set","description":"\u003c!-- Gray Banner Header --\u003e\n\u003cdiv style=\"background:#e5e5e5; padding:12px 15px; margin-bottom:18px;\"\u003e \n    \u003cstrong\u003e1.5\" Arca-Type Quick Release Clamp Set | Back-to-Back Modular Design \u0026amp; Short Black Knobs\u003c\/strong\u003e \n\u003c\/div\u003e\n\n\u003c!-- Main Product Title \u0026 Overview --\u003e\n\u003ch1\u003e1.5\" Arca-Swiss Compatible Back-to-Back Clamp Set\u003c\/h1\u003e\n\u003cp\u003e\n    This 1.5-inch \u003cstrong\u003eArca-Swiss compatible clamp set\u003c\/strong\u003e is a versatile, modular mounting solution that allows two independent clamps to be joined into a rock-solid \u003cstrong\u003eback-to-back configuration\u003c\/strong\u003e. By utilizing precision aligning pins and bushings, this set creates a stable coupler for connecting two Arca-style rails or plates, making it an essential tool for macro photography, panoramic rigs, and custom gear setups.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- Key Features Section --\u003e\n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e\n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eBack-to-Back Modular Assembly:\u003c\/strong\u003e Set includes two clamps that can be mounted together using provided aligning pins and bushings to prevent twisting under load.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVersatile Orientations:\u003c\/strong\u003e Clamps can be assembled in various orientations to suit your specific rigging needs (Note: Set cannot be assembled with both knobs facing the same direction).\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIndependent Operation:\u003c\/strong\u003e When disassembled, both components function as standard, high-performance Arca-type clamps for tripods or monopods.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eF61-1b Component:\u003c\/strong\u003e Features a center hole tapped 1\/4-20 for direct accessory mounting.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eF61b Component:\u003c\/strong\u003e Features a center socket countersunk for 1\/4-20 or M6 screws and is natively threaded for 3\/8-16 studs.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eShort Black Captive Knobs:\u003c\/strong\u003e Low-profile, ergonomic design ensures the knobs stop at maximum opening and \u003cem\u003ecannot be lost in the field\u003c\/em\u003e.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eSafety Relief Grooves:\u003c\/strong\u003e Integrated deep grooves prevent gear \"free fall\" when using plates equipped with safety stops.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Integration:\u003c\/strong\u003e Rear-side grooves match professional ball head connections for a shift-free mounting interface.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePremium Construction:\u003c\/strong\u003e Precision CNC-machined from solid 6061-T6 aircraft-grade aluminum with a durable black hard-coat anodized finish.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured to professional tolerances for lifelong reliability.\u003c\/li\u003e \n\u003c\/ul\u003e\n\n\u003c!-- Detailed Product Description --\u003e\n\u003ch2\u003eProfessional Double-Sided Mounting Versatility\u003c\/h2\u003e \n\u003cp\u003e \n    Upgrade your camera support gear with this \u003cstrong\u003eprofessional Arca-style double clamp set\u003c\/strong\u003e. The dual-clamp design provides a tenacious, \"Micro-Vise\" grip on any compatible plate from major brands like RRS, Kirk, Wimberley, and Markins. Whether you are coupling a telephoto lens to a macro rail or building a complex panoramic bracket, the inclusion of anti-twist pins ensures a rigid connection that will not shift or rotate.\n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eAdvanced Safety and Field Reliability:\u003c\/strong\u003e Built for technical precision, the integrated safety relief grooves serve as a critical fail-safe against accidental gear drops. The captive hardware design ensures you are never stranded on a shoot due to a missing knob. This modular set delivers the structural integrity and flexibility required for advanced technical photography, allowing you to adapt your mounting points instantly as your project demands.\n\u003c\/p\u003e\n\n\u003c!-- Technical Specifications --\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eJaw Length:\u003c\/strong\u003e 1.50 Inches (38.1mm)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Modular Back-to-Back Set\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHardware:\u003c\/strong\u003e Aligning Pins and Bushing Included\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMounting (F61-1b):\u003c\/strong\u003e Tapped 1\/4-20 Center Hole\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMounting (F61b):\u003c\/strong\u003e 3\/8-16 Threaded \u0026amp; Countersunk for 1\/4-20\/M6\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eKnob Type:\u003c\/strong\u003e Short Black (Captive Field-Safe Design)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701597405289,"sku":"F61bF61-1b_Set","price":95.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/F61bF61-1b_Set-2.jpg?v=1792110968"},{"product_id":"1-5-inch-arca-swiss-back-to-back-clamp-set-black","title":"1.5\" Arca-Swiss Compatible Back-to-Back Clamp Set","description":"\u003c!-- Gray Banner Header --\u003e\n\u003cdiv style=\"background:#e5e5e5; padding:12px 15px; margin-bottom:18px;\"\u003e \n    \u003cstrong\u003e1.5\" Arca-Swiss Compatible Quick Release Clamp Set | Back-to-Back Modular Design \u0026amp; Short Black Knobs\u003c\/strong\u003e \n\u003c\/div\u003e\n\n\u003c!-- Main Product Title \u0026 Overview --\u003e\n\u003ch1\u003e1.5\" Arca-Swiss Compatible Back-to-Back Clamp Set\u003c\/h1\u003e\n\u003cp\u003e\n    This 1.5-inch \u003cstrong\u003eArca-Swiss compatible clamp set\u003c\/strong\u003e is a versatile, modular mounting solution that allows two independent clamps to be joined into a rock-solid \u003cstrong\u003eback-to-back configuration\u003c\/strong\u003e. By utilizing precision aligning pins and bushings, this set creates a stable coupler for connecting two Arca-style rails or plates, making it an essential tool for macro photography, panoramic rigs, and custom gear setups.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- Key Features Section --\u003e\n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e\n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eBack-to-Back Modular Assembly:\u003c\/strong\u003e Set includes two clamps that can be mounted together using provided aligning pins and bushings to prevent twisting under load.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVersatile Orientations:\u003c\/strong\u003e Clamps can be assembled in various orientations to suit your specific rigging needs (Note: Set cannot be assembled with both knobs facing the same direction).\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIndependent Operation:\u003c\/strong\u003e When disassembled, both components function as standard, high-performance Arca-type clamps for tripods or monopods.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUniversal Mounting Interface:\u003c\/strong\u003e Center socket is countersunk on top for 1\/4-20 or M6 screws and is also natively threaded for standard 3\/8-16 tripod studs.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eShort Black Captive Knobs:\u003c\/strong\u003e Low-profile, ergonomic design ensures the knobs stop at maximum opening and \u003cem\u003ecannot be lost in the field\u003c\/em\u003e.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eSafety Relief Grooves:\u003c\/strong\u003e Integrated deep grooves prevent gear \"free fall\" when using plates equipped with safety stops.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Integration:\u003c\/strong\u003e Rear-side grooves match professional ball head connections for a shift-free mounting interface.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePremium Materials:\u003c\/strong\u003e Precision CNC-machined from solid 6061-T6 aircraft-grade aluminum with a durable black hard-coat anodized finish.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured to professional tolerances for lifelong reliability.\u003c\/li\u003e \n\u003c\/ul\u003e\n\n\u003c!-- Detailed Product Description --\u003e\n\u003ch2\u003eProfessional Double-Sided Mounting Versatility\u003c\/h2\u003e \n\u003cp\u003e \n    Upgrade your camera support gear with this \u003cstrong\u003eprofessional Arca-style double clamp set\u003c\/strong\u003e. The dual-clamp design provides a tenacious, \"Micro-Vise\" grip on any compatible plate from major brands like RRS, Kirk, Wimberley, and Markins. Whether you are coupling a telephoto lens to a macro rail or building a complex panoramic bracket, the inclusion of anti-twist pins ensures a rigid connection that will not shift or rotate.\n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eAdvanced Safety and Field Reliability:\u003c\/strong\u003e Built for technical precision, the integrated safety relief grooves serve as a critical fail-safe against accidental gear drops. The captive hardware design ensures you are never stranded on a shoot due to a missing knob. This modular set delivers the structural integrity and flexibility required for advanced technical photography, allowing you to adapt your mounting points instantly as your project demands.\n\u003c\/p\u003e\n\n\u003c!-- Technical Specifications --\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eJaw Length:\u003c\/strong\u003e 1.50 Inches (38.1mm)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Modular Back-to-Back Set\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHardware:\u003c\/strong\u003e Aligning Pins and Bushing Included\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e 3\/8-16 Threaded \u0026amp; Countersunk for 1\/4-20\/M6\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eKnob Type:\u003c\/strong\u003e Short Black (Captive Field-Safe Design)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701597438057,"sku":"F61bSet","price":105.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/F61bSet-2.jpg?v=1792110970"},{"product_id":"2-375-arca-swiss-clamp-short-silver-knob-30mm","title":"2.375\" Arca-Swiss Compatible Quick Release Clamp | Short Silver Knob","description":"\u003c!-- Gray Banner Header --\u003e\n\u003cdiv style=\"background:#e5e5e5; padding:12px 15px; margin-bottom:18px;\"\u003e \n    \u003cstrong\u003e2.375 Inch Arca-Swiss Compatible Quick Release Clamp | Short Silver Knob \u0026amp; 30mm Spacing\u003c\/strong\u003e \n\u003c\/div\u003e\n\n\u003c!-- Main Product Title \u0026 Overview --\u003e\n\u003ch1\u003e2.375\" Arca-Swiss Compatible Quick Release Clamp | Short Silver Knob\u003c\/h1\u003e\n\u003cp\u003e\n    The 2.375-inch jaw length \u003cstrong\u003eArca-Swiss compatible clamp\u003c\/strong\u003e is a precision-engineered mounting solution designed for photographers who require a compact, low-profile interface. Featuring an ergonomic \u003cstrong\u003eshort silver captive knob\u003c\/strong\u003e and a versatile mounting base, this clamp provides a professional-grade foundation for tripod heads, travel setups, and custom modular rigs.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- Key Features Section --\u003e\n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e\n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCompact 2.375\" Jaw Length:\u003c\/strong\u003e An ideal size for ball heads and travel tripods, providing a secure grip without excessive weight or bulk.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eShort Silver Captive Knob:\u003c\/strong\u003e Compact design reduces interference with camera bodies while allowing for precise tension control; the captive mechanism ensures the knob stops at maximum opening and cannot be lost in the field.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePrecision Dual Mounts:\u003c\/strong\u003e Includes two outside 1\/4-20 tapped holes spaced exactly 30mm apart for specialized multi-point attachments.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eVersatile Mounting Interface:\u003c\/strong\u003e Center socket is countersunk on top for 1\/4-20 or M6 screws and is natively threaded for 3\/8-16 studs.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eSafety Relief Grooves:\u003c\/strong\u003e 2.6mm deep relief grooves guarantee compatibility with Arca-type plates featuring safety stops, preventing gear \"free fall\" if the clamp is partially open.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Integration:\u003c\/strong\u003e The rear side features a dedicated groove to match professional ball head connections, effectively preventing unwanted rotation during use.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePremium Materials:\u003c\/strong\u003e Precision CNC-machined from solid 6061-T6 aircraft-grade aluminum with a durable black hard-coat anodized finish.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured to professional tolerances for lifelong reliability.\u003c\/li\u003e \n\u003c\/ul\u003e\n\n\u003c!-- Detailed Description --\u003e\n\u003ch2\u003eProfessional Arca-Type Quick Release Solution\u003c\/h2\u003e \n\u003cp\u003e \n    Upgrade your camera support system with this \u003cstrong\u003eprofessional Arca-style clamp\u003c\/strong\u003e. Its \"Micro-Vise\" design delivers a tenacious, twist-free grip on any compatible plate from major brands like RRS, Kirk, Wimberley, and Markins. The 2.375-inch profile makes it a perfect replacement for standard factory clamps on a wide variety of tripod heads. \n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eAdvanced Safety and Field Reliability:\u003c\/strong\u003e Engineered for the rigors of field photography, the integrated 2.6mm safety relief grooves serve as a critical fail-safe against accidental gear drops. The back of the clamp features a registration channel designed to mate with common ball head posts, eliminating the shifting common with heavy camera setups. Whether you are shooting landscapes or building a custom macro rig, this clamp offers the structural integrity required for precise technical photography. \n\u003c\/p\u003e\n\n\u003c!-- Technical Specifications --\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eJaw Length:\u003c\/strong\u003e 2.375 Inches (60.3mm)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eKnob Type:\u003c\/strong\u003e Short Silver (Captive Field-Safe Design)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMounting Holes:\u003c\/strong\u003e Two 1\/4-20 tapped holes (30mm spacing)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCenter Threading:\u003c\/strong\u003e Threaded 3\/8-16 and countersunk for M6\/1\/4-20\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eRelief Groove Depth:\u003c\/strong\u003e 2.6mm\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e \n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701597503593,"sku":"F62a","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/F62a-2.jpg?v=1792110975"},{"product_id":"2-375-arca-swiss-clamp-short-black-knob-30mm","title":"2.375\" Arca-Swiss Compatible Quick Release Clamp | Short Black Knob","description":"\u003c!-- Gray Banner Header --\u003e\n\u003cdiv style=\"background:#e5e5e5; padding:12px 15px; margin-bottom:18px;\"\u003e \n    \u003cstrong\u003e2.375 Inch Arca-Swiss Compatible Quick Release Clamp | Short Black Knob \u0026amp; 30mm Spacing\u003c\/strong\u003e \n\u003c\/div\u003e\n\n\u003c!-- Main Product Title \u0026 Overview --\u003e\n\u003ch1\u003e2.375\" Arca-Swiss Compatible Quick Release Clamp | Short Black Knob\u003c\/h1\u003e\n\u003cp\u003e\n    The 2.375-inch jaw length \u003cstrong\u003eArca-Swiss compatible clamp\u003c\/strong\u003e is a precision-engineered mounting solution designed for photographers who require a low-profile, discrete interface. Featuring a sleek \u003cstrong\u003eshort black captive knob\u003c\/strong\u003e and a versatile mounting base, this clamp provides a professional-grade foundation for tripod heads, travel setups, and custom modular rigs.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- Key Features Section --\u003e\n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e\n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCompact 2.375\" Jaw Length:\u003c\/strong\u003e An ideal size for ball heads and travel tripods, providing a secure grip without excessive weight or bulk.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eShort Black Captive Knob:\u003c\/strong\u003e Low-profile design reduces interference with camera bodies and accessories; the captive mechanism ensures the knob stops at maximum opening and cannot be lost in the field.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePrecision Dual Mounts:\u003c\/strong\u003e Includes two outside 1\/4-20 tapped holes spaced exactly 30mm apart for specialized multi-point attachments.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eVersatile Mounting Interface:\u003c\/strong\u003e Center socket is countersunk on top for 1\/4-20 or M6 screws and is natively threaded for 3\/8-16 studs.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eSafety Relief Grooves:\u003c\/strong\u003e 2.6mm deep relief grooves guarantee compatibility with Arca-type plates featuring safety stops, preventing gear \"free fall\" if the clamp is partially open.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Integration:\u003c\/strong\u003e The rear side features a dedicated groove to match professional ball head connections, effectively preventing unwanted rotation during use.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePremium Materials:\u003c\/strong\u003e Precision CNC-machined from solid 6061-T6 aircraft-grade aluminum with a durable black hard-coat anodized finish.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured to professional tolerances for lifelong reliability.\u003c\/li\u003e \n\u003c\/ul\u003e\n\n\u003c!-- Detailed Description --\u003e\n\u003ch2\u003eProfessional Arca-Type Quick Release Solution\u003c\/h2\u003e \n\u003cp\u003e \n    Upgrade your camera support system with this \u003cstrong\u003eprofessional Arca-style clamp\u003c\/strong\u003e. Its \"Micro-Vise\" design delivers a tenacious, twist-free grip on any compatible plate from major brands like RRS, Kirk, Wimberley, and Markins. The 2.375-inch profile makes it a perfect replacement for standard factory clamps on a wide variety of tripod heads. \n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eAdvanced Safety and Field Reliability:\u003c\/strong\u003e Engineered for the rigors of field photography, the integrated 2.6mm safety relief grooves serve as a critical fail-safe against accidental gear drops. The back of the clamp features a registration channel designed to mate with common ball head posts, eliminating the shifting common with heavy camera setups. Whether you are shooting landscapes or building a custom macro rig, this clamp offers the structural integrity required for precise technical photography. \n\u003c\/p\u003e\n\n\u003c!-- Technical Specifications --\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eJaw Length:\u003c\/strong\u003e 2.375 Inches (60.3mm)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eKnob Type:\u003c\/strong\u003e Short Black (Captive Field-Safe Design)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMounting Holes:\u003c\/strong\u003e Two 1\/4-20 tapped holes (30mm spacing)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCenter Threading:\u003c\/strong\u003e Threaded 3\/8-16 and countersunk for M6\/1\/4-20\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eRelief Groove Depth:\u003c\/strong\u003e 2.6mm\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e \n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701597536361,"sku":"F62ab","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/F62ab-2.jpg?v=1792110977"},{"product_id":"arca-swiss-quick-release-clamp-black-knob-30mm","title":"2.375\" Arca-Swiss Compatible Quick Release Clamp | Long Black Knob","description":"\u003c!-- Gray Banner Header --\u003e\n\u003cdiv style=\"background:#e5e5e5; padding:12px 15px; margin-bottom:18px;\"\u003e \n    \u003cstrong\u003e2.375 Inch Arca-Swiss Compatible Quick Release Clamp | Long Black Knob \u0026amp; 30mm Spacing\u003c\/strong\u003e \n\u003c\/div\u003e\n\n\u003c!-- Main Product Title \u0026 Overview --\u003e\n\u003ch1\u003e2.375\" Arca-Swiss Compatible Quick Release Clamp | Long Black Knob\u003c\/h1\u003e\n\u003cp\u003e\n    The 2.375-inch jaw length \u003cstrong\u003eArca-Swiss compatible clamp\u003c\/strong\u003e is a precision-engineered mounting solution designed for photographers who require a compact yet incredibly secure interface. Featuring a sleek \u003cstrong\u003elong black captive knob\u003c\/strong\u003e and a versatile mounting base, this clamp provides a professional-grade foundation for tripod heads and custom modular rigs.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- Key Features Section --\u003e\n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e\n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCompact 2.375\" Jaw Length:\u003c\/strong\u003e An ideal size for ball heads and travel tripods, providing a secure grip without excessive weight.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eLong Black Captive Knob:\u003c\/strong\u003e High-leverage design allows for easy operation even with gloves; the captive mechanism ensures the knob stops at maximum opening and cannot be lost in the field.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePrecision Dual Mounts:\u003c\/strong\u003e Includes two outside 1\/4-20 tapped holes spaced exactly 30mm apart for specialized multi-point attachments.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eVersatile Mounting Interface:\u003c\/strong\u003e Center socket is countersunk on top for 1\/4-20 or M6 screws and is natively threaded for 3\/8-16 studs.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eSafety Relief Grooves:\u003c\/strong\u003e 2.6mm deep relief grooves guarantee compatibility with Arca-type plates featuring safety stops, preventing gear \"free fall\" if the clamp is partially open.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Integration:\u003c\/strong\u003e The rear side features a dedicated groove to match professional ball head connections, effectively preventing unwanted rotation during use.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePremium Materials:\u003c\/strong\u003e Precision CNC-machined from solid 6061-T6 aircraft-grade aluminum with a durable hard-coat anodized finish.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured to professional tolerances for lifelong reliability.\u003c\/li\u003e \n\u003c\/ul\u003e\n\n\u003c!-- Detailed Description --\u003e\n\u003ch2\u003eProfessional Arca-Type Quick Release Solution\u003c\/h2\u003e \n\u003cp\u003e \n    Upgrade your camera support system with this \u003cstrong\u003eprofessional Arca-style clamp\u003c\/strong\u003e. Its \"Micro-Vise\" design delivers a tenacious, twist-free grip on any compatible plate from major brands like RRS, Kirk, Wimberley, and Markins. The 2.375-inch profile makes it a perfect replacement for standard factory clamps on a wide variety of tripod heads. \n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eAdvanced Safety and Field Reliability:\u003c\/strong\u003e Engineered for the rigors of field photography, the integrated 2.6mm safety relief grooves serve as a critical fail-safe against accidental gear drops. The back of the clamp features a registration channel designed to mate with common ball head posts, eliminating the shifting common with heavy camera setups. Whether you are shooting landscapes or building a custom macro rig, this clamp offers the structural integrity required for precise technical photography. \n\u003c\/p\u003e\n\n\u003c!-- Technical Specifications --\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eJaw Length:\u003c\/strong\u003e 2.375 Inches (60.3mm)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eKnob Type:\u003c\/strong\u003e Long Black (Captive Field-Safe Design)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMounting Holes:\u003c\/strong\u003e Two 1\/4-20 tapped holes (30mm spacing)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCenter Threading:\u003c\/strong\u003e Threaded 3\/8-16 and countersunk for M6\/1\/4-20\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eRelief Groove Depth:\u003c\/strong\u003e 2.6mm\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e \n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701597569129,"sku":"F62b","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/F62b-2.jpg?v=1792110979"},{"product_id":"3-25-inch-arca-swiss-clamp-short-silver-knob-45mm","title":"3.25\" Arca-Swiss Compatible Quick Release Clamp | Short Silver Knob","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e\n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e\n    \u003cstrong\u003e3.25 Inch Arca-Swiss Compatible Quick Release Clamp | Short Silver Knob \u0026amp; 45mm Spacing\u003c\/strong\u003e\n\u003c\/div\u003e\n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e\n\u003ch1\u003e3.25\" Arca-Swiss Compatible Quick Release Clamp | Short Silver Knob\u003c\/h1\u003e\n\u003cp\u003e\n    The 3.25-inch jaw length \u003cstrong\u003eArca-Swiss compatible clamp\u003c\/strong\u003e is a precision mounting solution designed for photographers who need a compact, high-performance interface. Featuring a streamlined \u003cstrong\u003eshort silver knob\u003c\/strong\u003e and a versatile mounting base, this clamp delivers rock-solid stability for telephoto lenses, macro rails, and custom modular camera rigs.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e\n\u003ch2\u003eKey Features \u0026amp; Quick Overview\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003e3.25\" Jaw Length:\u003c\/strong\u003e Provides a generous gripping surface area for professional Arca-type plates while maintaining a sleek, low-profile footprint.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eShort Silver Knob:\u003c\/strong\u003e Features a captive design that stops at maximum opening—ensuring it cannot be lost or dropped in the field.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDual 45mm Threaded Mounts:\u003c\/strong\u003e Includes two outside 1\/4-20 tapped holes spaced exactly 45mm apart for specialized multi-point attachments.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVersatile Center Mounting:\u003c\/strong\u003e Center socket is countersunk on top for 1\/4-20 or M6 screws and is natively threaded for standard 3\/8-16 tripod studs.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSafety Relief Grooves:\u003c\/strong\u003e Integrated 2.6mm deep relief grooves prevent gear \"free fall\" by catching safety stops on Arca-type plates if the clamp is partially open.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Integration:\u003c\/strong\u003e The back side features a dedicated groove designed to match professional ball head connections, preventing unwanted rotation during use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e\n\u003ch2\u003eProfessional Arca-Type Quick Release Solution\u003c\/h2\u003e\n\u003cp\u003e\n    Upgrade your camera support gear with a \u003cstrong\u003eprofessional Arca-Swiss style clamp\u003c\/strong\u003e built for demanding technical environments. Precision CNC machined from aircraft-grade 6061-T6 aluminum, this 3.25-inch clamp offers the unyielding connection required for landscape, wildlife, and macro photography. Its \"Micro-Vise\" design ensures a tenacious, twist-free grip on compatible plates from major brands like RRS, Kirk, Wimberley, and Markins.\n\u003c\/p\u003e\n\u003cp\u003e\n    \u003cstrong\u003eAdvanced Safety and Field Reliability:\u003c\/strong\u003e This clamp is engineered for total system interoperability. The integrated 2.6mm deep safety relief grooves serve as a critical fail-safe against accidental gear drops, while the captive hardware ensures you are never stranded on a location shoot due to a missing knob. Finished in a durable hard-coat anodize, this high-performance clamp is built to provide years of professional service.\n\u003c\/p\u003e\n\n\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eJaw Length:\u003c\/strong\u003e 3.25 Inches (82.55mm)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMounting Holes:\u003c\/strong\u003e Two 1\/4-20 tapped holes (45mm spacing)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCenter Threading:\u003c\/strong\u003e Threaded 3\/8-16 and countersunk for M6\/1\/4-20\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eKnob Type:\u003c\/strong\u003e Short Silver (Captive Design)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRelief Groove Depth:\u003c\/strong\u003e 2.6mm\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Hard-Coat Anodized\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701597634665,"sku":"F63a","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/F63a-2.jpg?v=1792110983"},{"product_id":"3-25-inch-arca-swiss-clamp-short-black-knob-45mm","title":"3.25\" Arca-Swiss Compatible Quick Release Clamp | Short Black Knob","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e\n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e\n    \u003cstrong\u003e3.25 Inch Arca-Swiss Compatible Quick Release Clamp | Short Black Knob \u0026amp; 45mm Spaced Mounts\u003c\/strong\u003e\n\u003c\/div\u003e\n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e\n\u003ch1\u003e3.25\" Arca-Swiss Compatible Quick Release Clamp | Short Black Knob\u003c\/h1\u003e\n\u003cp\u003e\n    The 3.25-inch jaw length \u003cstrong\u003eArca-Swiss compatible clamp\u003c\/strong\u003e is a precision-engineered mounting solution designed for photographers who require a balance of compact size and absolute security. Featuring a low-profile \u003cstrong\u003eshort black knob\u003c\/strong\u003e and a versatile mounting interface, this clamp delivers superior stability for telephoto lenses, macro rails, and modular camera rigs.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e\n\u003ch2\u003eKey Features \u0026amp; Quick Overview\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003e3.25\" Jaw Length:\u003c\/strong\u003e Provides an ideal gripping surface area for professional Arca-type plates while maintaining a compact footprint.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eShort Black Knob:\u003c\/strong\u003e Ergonomic, low-profile design with a captive mechanism that stops at maximum opening to prevent loss in the field.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePrecision Dual Mounts:\u003c\/strong\u003e Includes two outside 1\/4-20 tapped holes spaced exactly 45mm apart for specialized multi-point attachments.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVersatile Center Mounting:\u003c\/strong\u003e Center socket is countersunk on top for 1\/4-20 or M6 screws and is natively threaded for 3\/8-16 tripod studs.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSafety Relief Grooves:\u003c\/strong\u003e Integrated 2.6mm deep relief grooves ensure compatibility with plates featuring safety stops, preventing gear \"free fall\" if the clamp is partially open.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Integration:\u003c\/strong\u003e The back side features a dedicated groove designed to match professional ball head connections, preventing unwanted rotation during use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e\n\u003ch2\u003eProfessional Arca-Type Quick Release Solution\u003c\/h2\u003e\n\u003cp\u003e\n    Modernize your camera support system with a \u003cstrong\u003eprofessional Arca-Swiss style clamp\u003c\/strong\u003e built for demanding technical environments. Precision CNC machined from aircraft-grade 6061-T6 aluminum, this 3.25-inch clamp offers the rock-solid connection required for landscape, wildlife, and macro photography. Its \"Micro-Vise\" design ensures a tenacious, twist-free grip on compatible plates from major brands like RRS, Kirk, Wimberley, and Markins.\n\u003c\/p\u003e\n\u003cp\u003e\n    \u003cstrong\u003eAdvanced Safety and Field Reliability:\u003c\/strong\u003e This clamp is engineered for total system interoperability. The integrated 2.6mm deep safety relief grooves serve as a critical fail-safe against accidental gear drops, while the captive hardware ensures you are never stranded on a location shoot due to a missing knob. Finished in a durable black hard-coat anodize, this high-performance clamp is built to provide years of professional service.\n\u003c\/p\u003e\n\n\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eJaw Length:\u003c\/strong\u003e 3.25 Inches (82.55mm)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMounting Holes:\u003c\/strong\u003e Two 1\/4-20 tapped holes (45mm spacing)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCenter Threading:\u003c\/strong\u003e Threaded 3\/8-16 and countersunk for M6\/1\/4-20\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eKnob Type:\u003c\/strong\u003e Short Black (Captive Design)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRelief Groove Depth:\u003c\/strong\u003e 2.6mm\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701597667433,"sku":"F63ab","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/F63ab-2.jpg?v=1792110985"},{"product_id":"3-25-inch-arca-swiss-clamp-long-black-knob-45mm","title":"3.25\" Arca-Swiss Compatible Quick Release Clamp | Long Black Knob","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e\n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e\n    \u003cstrong\u003e3.25 Inch Arca-Swiss Compatible Quick Release Clamp | Long Black Knob \u0026amp; 45mm Spacing\u003c\/strong\u003e\n\u003c\/div\u003e\n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e\n\u003ch1\u003e3.25\" Arca-Swiss Compatible Quick Release Clamp | Long Black Knob\u003c\/h1\u003e\n\u003cp\u003e\n    This precision-engineered \u003cstrong\u003eArca-Swiss compatible clamp\u003c\/strong\u003e is a versatile mounting solution designed for photographers who require high leverage and absolute security. Featuring a high-force \u003cstrong\u003elong black captive knob\u003c\/strong\u003e and a multi-point mounting interface, this 3.25-inch clamp delivers the stability needed for professional tripod and monopod systems.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e\n\u003ch2\u003eKey Features \u0026amp; Quick Overview\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDual Mounting Interface:\u003c\/strong\u003e Center socket is countersunk on top for 1\/4-20 or M6 screws and is natively threaded for 3\/8-16 studs.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePrecision Dual Mounts:\u003c\/strong\u003e Includes two outside 1\/4-20 tapped holes spaced exactly 45mm apart for specialized multi-point attachments.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSafety Relief Grooves:\u003c\/strong\u003e 2.6mm deep relief grooves ensure compatibility with Arca-type plates featuring safety stops, preventing gear \"free fall\" if the clamp is partially open.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eField-Safe Captive Knob:\u003c\/strong\u003e The ergonomic long black knob stops at maximum opening to prevent loss in the field and features a one-piece, dust-resistant design.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Integration:\u003c\/strong\u003e The rear side features a dedicated groove to match professional ball head connections, preventing unwanted rotation during use.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePremium Construction:\u003c\/strong\u003e CNC-machined from solid 6061-T6 aircraft-grade aluminum with a durable black hard-coat anodized finish.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Proudly manufactured with professional-grade tolerances for lifelong reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e\n\u003ch2\u003eProfessional Arca-Type Quick Release Solution\u003c\/h2\u003e\n\u003cp\u003e\n    Upgrade your camera support gear with a \u003cstrong\u003eprofessional Arca-style clamp\u003c\/strong\u003e built for technical photography. The 3.25-inch jaw length provides an ideal balance of surface contact and compact design, offering a rock-solid connection for telephoto lenses and modular camera rigs. Its \"Micro-Vise\" design ensures a tenacious, twist-free grip on any compatible plate from brands like RRS, Kirk, Wimberley, and Markins.\n\u003c\/p\u003e\n\u003cp\u003e\n    \u003cstrong\u003eAdvanced Safety and Field Reliability:\u003c\/strong\u003e This clamp is engineered for total system interoperability and maximum reliability. The integrated 2.6mm deep safety relief grooves serve as a critical fail-safe against accidental gear drops, while the captive hardware ensures you are never stranded on a location shoot due to a missing knob. The long black knob provides extra torque, making it easy to secure heavy equipment even while wearing gloves.\n\u003c\/p\u003e\n\n\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eJaw Length:\u003c\/strong\u003e 3.25 Inches (82.5mm)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eKnob Type:\u003c\/strong\u003e Long Black (Captive Design)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDual Mount Spacing:\u003c\/strong\u003e 45mm (1\/4-20 Tapped)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCenter Threading:\u003c\/strong\u003e Threaded 3\/8-16 and Countersunk for M6\/1\/4-20\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRelief Groove Depth:\u003c\/strong\u003e 2.6mm\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701597700201,"sku":"F63b","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/F63b-2.jpg?v=1792110987"},{"product_id":"3-25-inch-arca-swiss-back-to-back-clamp-set-silver","title":"3.25\" Arca-Swiss Compatible Back-to-Back Clamp Set","description":"\u003c!-- Gray Banner Header --\u003e\n\u003cdiv style=\"background:#e5e5e5; padding:12px 15px; margin-bottom:18px;\"\u003e \n    \u003cstrong\u003e3.25\" Arca-Swiss Compatible Quick Release Clamp Set | Back-to-Back Modular Design \u0026amp; Long Silver Knobs\u003c\/strong\u003e \n\u003c\/div\u003e\n\n\u003c!-- Main Product Title \u0026 Overview --\u003e\n\u003ch1\u003e3.25\" Arca-Swiss Compatible Back-to-Back Clamp Set\u003c\/h1\u003e\n\u003cp\u003e\n    This 3.25-inch \u003cstrong\u003eArca-Swiss compatible clamp set\u003c\/strong\u003e is a heavy-duty modular mounting solution that allows two independent clamps to be joined into a rock-solid \u003cstrong\u003eback-to-back configuration\u003c\/strong\u003e. Utilizing precision aligning pins and bushings, this set creates a rigid coupler for connecting two Arca-style rails or plates, providing the maximum stability required for large-scale macro photography and professional panoramic rigging.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- Key Features Section --\u003e\n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e\n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eBack-to-Back Modular Assembly:\u003c\/strong\u003e Set includes two 3.25\" clamps that can be mounted together using provided aligning pins and bushings to prevent twisting under heavy loads.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVersatile Orientations:\u003c\/strong\u003e Clamps can be assembled in various orientations to suit your specific rigging needs (Note: Set cannot be assembled with both knobs facing the same direction).\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIndependent Operation:\u003c\/strong\u003e When disassembled, both components function as high-performance, professional-grade Arca-type clamps for tripods or monopods.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUniversal Mounting Interface:\u003c\/strong\u003e Center socket is countersunk on top for 1\/4-20 or M6 screws and is also natively threaded for standard 3\/8-16 tripod studs.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLong Silver Captive Knobs:\u003c\/strong\u003e High-visibility, ergonomic design ensures the knobs stop at maximum opening and \u003cem\u003ecannot be lost in the field\u003c\/em\u003e.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eSafety Relief Grooves:\u003c\/strong\u003e Integrated deep grooves (2.6mm) prevent gear \"free fall\" when using plates equipped with safety stops.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Integration:\u003c\/strong\u003e Rear-side registration grooves match professional ball head connections for a shift-free mounting interface.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePremium Construction:\u003c\/strong\u003e Precision CNC-machined from solid 6061-T6 aircraft-grade aluminum with a durable black hard-coat anodized finish.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured to exacting professional tolerances for lifelong reliability.\u003c\/li\u003e \n\u003c\/ul\u003e\n\n\u003c!-- Detailed Product Description --\u003e\n\u003ch2\u003eProfessional Double-Sided Mounting Versatility\u003c\/h2\u003e \n\u003cp\u003e \n    Upgrade your camera support gear with this \u003cstrong\u003eprofessional Arca-style double clamp set\u003c\/strong\u003e. The 3.25-inch jaw length provides an expansive surface area for maximum contact and grip with professional Arca-type plates and rails. Whether you are coupling a heavy telephoto lens to a macro rail or building a complex multi-axis panoramic bracket, the inclusion of anti-twist pins ensures a rigid, zero-play connection.\n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eAdvanced Safety and Field Reliability:\u003c\/strong\u003e Built for technical precision, the integrated safety relief grooves serve as a critical fail-safe against accidental gear drops. The captive hardware design ensures you are never stranded on a shoot due to a missing knob. This modular set delivers the structural integrity and flexibility required for advanced technical photography, allowing you to adapt your mounting points instantly to suit the most demanding field conditions.\n\u003c\/p\u003e\n\n\u003c!-- Technical Specifications --\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eJaw Length:\u003c\/strong\u003e 3.25 Inches (82.5mm)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Modular Back-to-Back Set\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHardware:\u003c\/strong\u003e Aligning Pins and Bushing Included\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e 3\/8-16 Threaded \u0026amp; Countersunk for 1\/4-20\/M6\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eKnob Type:\u003c\/strong\u003e Long Silver (Captive Field-Safe Design)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701597732969,"sku":"F63Set","price":145.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/F63Set-2.jpg?v=1792110981"},{"product_id":"400-inch-arca-swiss-compatible-clamp-long-silver-k","title":"4.00\" Arca-Swiss Compatible Quick Release Clamp | 45mm Spaced Mounts","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e \n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e \n    \u003cstrong\u003e4.00 Inch Arca-Swiss Compatible Quick Release Clamp | 45mm Spaced 1\/4-20 Holes\u003c\/strong\u003e \n\u003c\/div\u003e \n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e \n\u003ch1\u003e4.00\" Arca-Swiss Compatible Quick Release Clamp | 45mm Spaced Mounts\u003c\/h1\u003e \n\u003cp\u003e\n    The 4.00-inch jaw length \u003cstrong\u003eArca-Swiss compatible clamp\u003c\/strong\u003e is a precision-engineered mounting solution designed for photographers who require absolute security for telephoto lenses and modular camera rigs. Featuring a high-force \u003cstrong\u003elong silver knob\u003c\/strong\u003e and a versatile mounting interface, this clamp delivers superior stability and flexibility for high-end tripod and monopod systems.\n\u003c\/p\u003e \n\u003chr\u003e \n\n\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e \n\u003ch2\u003eKey Features \u0026amp; Quick Overview\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eExtended 4.00\" Jaws:\u003c\/strong\u003e Provides an expansive surface area for maximum contact and grip with professional Arca-type plates and rails.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eVersatile Mounting Interface:\u003c\/strong\u003e Center socket is countersunk on top for 1\/4-20 or M6 screws and is also natively threaded for 3\/8-16 studs.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePrecision Dual Mounts:\u003c\/strong\u003e Two outside holes are tapped 1\/4-20 and spaced exactly 45mm apart for specialized multi-point attachments.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eSafety Relief Grooves:\u003c\/strong\u003e 2.6mm deep relief grooves ensure compatibility with Arca-type plates featuring safety stops, preventing gear \"free fall\" if the clamp is partially open.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eTongue-in-Pocket Design:\u003c\/strong\u003e Internal mechanism protects moving parts from dust and grit while keeping the jaws perfectly aligned to eliminate unwanted bending forces.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCaptive Silver Knob:\u003c\/strong\u003e High-leverage long silver knob is captive and stops at maximum opening, ensuring it cannot be lost in the field.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Integration:\u003c\/strong\u003e The back side features a dedicated groove to match professional ball head connections and prevent rotation during use.\u003c\/li\u003e \n\u003c\/ul\u003e \n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e \n\u003ch2\u003eProfessional Arca-Type Quick Release Solution\u003c\/h2\u003e \n\u003cp\u003e \n    Upgrade your camera support gear with a \u003cstrong\u003eprofessional Arca-Swiss clamp\u003c\/strong\u003e built for the most demanding technical environments. Precision CNC machined from aircraft-grade 6061-T6 aluminum, this 4.00-inch clamp offers the rock-solid connection required for long-lens shooting and macro setups. Its \"Micro-Vise\" design ensures a tenacious, twist-free grip on any compatible plate from major brands like RRS, Kirk, Wimberley, and Markins. \n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eAdvanced Safety and Field Reliability:\u003c\/strong\u003e This clamp is engineered for total system interoperability and maximum field reliability. The integrated 2.6mm deep safety relief grooves serve as a critical fail-safe against accidental gear drops, while the captive hardware ensures you are never stranded on a location shoot due to a missing knob. Finished in a durable black hard-coat anodize, this high-performance clamp is built to provide years of professional service.\n\u003c\/p\u003e \n\n\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e \n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eJaw Length:\u003c\/strong\u003e 4.00 Inches (101.6mm)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMounting Holes:\u003c\/strong\u003e Two 1\/4-20 tapped holes (45mm spacing)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCenter Threading:\u003c\/strong\u003e Threaded 3\/8-16 and countersunk for M6\/1\/4-20\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eKnob Type:\u003c\/strong\u003e Long Silver (Captive Design)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eRelief Groove Depth:\u003c\/strong\u003e 2.6mm\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e \n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701597798505,"sku":"F64","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/F64-2.jpg?v=1792110989"},{"product_id":"4-inch-arca-swiss-clamp-short-silver-knob-45mm","title":"4.00\" Arca-Swiss Compatible Quick Release Clamp | Short Silver Knob","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e\n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e\n    \u003cstrong\u003e4.00 Inch Arca-Swiss Compatible Quick Release Clamp | Short Silver Knob \u0026amp; 45mm Spacing\u003c\/strong\u003e\n\u003c\/div\u003e\n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e\n\u003ch1\u003e4.00\" Arca-Swiss Compatible Quick Release Clamp | Short Silver Knob\u003c\/h1\u003e\n\u003cp\u003e\n    The 4.00-inch jaw length \u003cstrong\u003eArca-Swiss compatible clamp\u003c\/strong\u003e offers a heavy-duty, precise mounting interface for professional camera rigs and telephoto lenses. Equipped with a compact, high-torque \u003cstrong\u003eshort silver knob\u003c\/strong\u003e, this quick release system delivers maximum holding power and stability without adding unnecessary bulk to your tripod setup.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e\n\u003ch2\u003eKey Features \u0026amp; Quick Overview\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eExtended 4.00\" Jaw Length:\u003c\/strong\u003e Spreads gripping pressure evenly across the rail for an ultra-secure hold on large format gear.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eShort Silver Knob:\u003c\/strong\u003e Engineered with a captive design that stops at maximum opening so it can never be lost or dropped in the field.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDual 45mm Threaded Mounts:\u003c\/strong\u003e Features two outside 1\/4-20 tapped holes spaced exactly 45mm apart for specialized dual-point mounting.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVersatile Center Socket:\u003c\/strong\u003e Countersunk on top for clean screw placement and internally threaded for standard 3\/8-16 studs.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFail-Safe Relief Grooves:\u003c\/strong\u003e Machined 2.6mm deep relief grooves accommodate plates with safety stops, preventing gear free fall if the jaw loosens.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Alignment:\u003c\/strong\u003e Rear alignment groove mates perfectly with compatible ball head connections to eliminate unwanted rotational twisting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e\n\u003ch2\u003eHeavy-Duty Camera Support with Anti-Twist Design\u003c\/h2\u003e\n\u003cp\u003e\n    Engineered for precision and built to withstand rigorous field use, this \u003cstrong\u003e4-inch quick release clamp\u003c\/strong\u003e provides seamless interoperability with Arca-type plates and rails. The low-profile short silver knob ensures swift locking transitions while keeping the overall footprint streamlined. \n\u003c\/p\u003e\n\u003cp\u003e\n    The specialized back-side alignment groove secures your connection to modern ball heads, eliminating the shifting or twisting common with heavy lens systems. Combined with built-in safety relief paths, your investment remains fully protected during micro-adjustments or fast-paced shooting scenarios.\n\u003c\/p\u003e\n\n\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eJaw Length:\u003c\/strong\u003e 4.00 Inches (101.6mm)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eKnob Configuration:\u003c\/strong\u003e Short Silver (Captive Field-Safe Design)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDual Mount Spacing:\u003c\/strong\u003e 45mm Center-to-Center (1\/4-20 Tapped)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCenter Threading:\u003c\/strong\u003e Threaded 3\/8-16 \u0026amp; Countersunk Top\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSafety Groove Depth:\u003c\/strong\u003e 2.6mm Deep Paths\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Feature:\u003c\/strong\u003e Bottom Channel Alignment Groove\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701597831273,"sku":"F64a","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/F64a-2.jpg?v=1792110991"},{"product_id":"4-inch-arca-swiss-clamp-short-black-knob-45mm","title":"4.00\" Arca-Swiss Compatible Quick Release Clamp | Short Black Knob","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e\n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e\n    \u003cstrong\u003e4.00 Inch Arca-Swiss Compatible Quick Release Clamp | Short Black Knob \u0026amp; 45mm Spacing\u003c\/strong\u003e\n\u003c\/div\u003e\n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e\n\u003ch1\u003e4.00\" Arca-Swiss Compatible Quick Release Clamp | Short Black Knob\u003c\/h1\u003e\n\u003cp\u003e\n    The 4.00-inch jaw length \u003cstrong\u003eArca-Swiss compatible clamp\u003c\/strong\u003e is a precision-engineered mounting solution designed for photographers who require absolute security and a low-profile aesthetic. Featuring a compact \u003cstrong\u003eshort black knob\u003c\/strong\u003e and a versatile mounting interface, this clamp delivers superior stability for telephoto lenses, macro rails, and modular camera rigs.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e\n\u003ch2\u003eKey Features \u0026amp; Quick Overview\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eExtended 4.00\" Jaws:\u003c\/strong\u003e Provides an expansive surface area for maximum contact and grip with professional Arca-type plates and rails.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLow-Profile Short Black Knob:\u003c\/strong\u003e Compact design reduces bulk while the captive mechanism ensures the knob cannot be lost in the field.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePrecision Dual Mounts:\u003c\/strong\u003e Two outside holes are tapped 1\/4-20 and spaced exactly 45mm apart for specialized multi-point attachments.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVersatile Mounting Interface:\u003c\/strong\u003e Center socket is countersunk on top for 1\/4-20 or M6 screws and is also natively threaded for 3\/8-16 studs.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSafety Relief Grooves:\u003c\/strong\u003e 2.6mm deep relief grooves ensure compatibility with Arca-type plates featuring safety stops, preventing gear \"free fall\" if the clamp is partially open.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Integration:\u003c\/strong\u003e The back side features a dedicated groove to match professional ball head connections and prevent rotation during use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e\n\u003ch2\u003eProfessional Arca-Type Quick Release Solution\u003c\/h2\u003e\n\u003cp\u003e\n    Upgrade your camera support gear with a \u003cstrong\u003eprofessional Arca-Swiss clamp\u003c\/strong\u003e built for the most demanding technical environments. Precision CNC machined from aircraft-grade 6061-T6 aluminum, this 4.00-inch clamp offers the rock-solid connection required for long-lens shooting and macro setups. Its \"Micro-Vise\" design ensures a tenacious, twist-free grip on any compatible plate from major brands like RRS, Kirk, Wimberley, and Markins.\n\u003c\/p\u003e\n\u003cp\u003e\n    \u003cstrong\u003eAdvanced Safety and Field Reliability:\u003c\/strong\u003e This clamp is engineered for total system interoperability and maximum field reliability. The integrated 2.6mm deep safety relief grooves serve as a critical fail-safe against accidental gear drops, while the captive hardware ensures you are never stranded on a location shoot due to a missing knob. Finished in a durable black hard-coat anodize, this high-performance clamp is built to provide years of professional service.\n\u003c\/p\u003e\n\n\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eJaw Length:\u003c\/strong\u003e 4.00 Inches (101.6mm)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMounting Holes:\u003c\/strong\u003e Two 1\/4-20 tapped holes (45mm spacing)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCenter Threading:\u003c\/strong\u003e Threaded 3\/8-16 and countersunk for M6\/1\/4-20\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eKnob Type:\u003c\/strong\u003e Short Black (Captive Design)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRelief Groove Depth:\u003c\/strong\u003e 2.6mm\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701597896809,"sku":"F64ab","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/F64ab-2.jpg?v=1792110992"},{"product_id":"4-inch-arca-swiss-clamp-long-black-knob-45mm","title":"4.00\" Arca-Swiss Compatible Quick Release Clamp | Long Black Knob","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e\n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e\n    \u003cstrong\u003e4.00 Inch Arca-Swiss Compatible Quick Release Clamp | Long Black Knob \u0026amp; 45mm Spaced Mounts\u003c\/strong\u003e\n\u003c\/div\u003e\n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e\n\u003ch1\u003e4.00\" Arca-Swiss Compatible Quick Release Clamp | Long Black Knob\u003c\/h1\u003e\n\u003cp\u003e\n    The 4.00-inch jaw length \u003cstrong\u003eArca-Swiss compatible clamp\u003c\/strong\u003e is a professional-grade mounting solution designed for photographers requiring maximum leverage and security. Featuring a high-grip \u003cstrong\u003elong black knob\u003c\/strong\u003e and a versatile mounting interface, this clamp provides an unyielding connection for telephoto lenses, macro rails, and custom modular camera rigs.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e\n\u003ch2\u003eKey Features \u0026amp; Quick Overview\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eExtended 4.00\" Jaws:\u003c\/strong\u003e Offers a massive surface area for superior grip and stability when using professional Arca-type plates and long rails.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHigh-Leverage Long Black Knob:\u003c\/strong\u003e The captive knob design ensures it cannot be lost in the field and stops at maximum opening for fast gear transitions.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePrecision Dual Mounts:\u003c\/strong\u003e Includes two outside 1\/4-20 tapped holes spaced exactly 45mm apart, ideal for specialized multi-point attachments.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVersatile Center Mounting:\u003c\/strong\u003e Center socket is countersunk on top for 1\/4-20 or M6 screws and natively threaded for 3\/8-16 tripod studs.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSafety Relief Grooves:\u003c\/strong\u003e Integrated 2.6mm deep relief grooves prevent gear \"free fall\" by catching safety stops on Arca-type plates if the clamp is partially open.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Integration:\u003c\/strong\u003e The rear side features a dedicated alignment groove to match professional ball head connections, preventing unwanted rotation during use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e\n\u003ch2\u003eProfessional Arca-Type Mounting for Technical Photography\u003c\/h2\u003e\n\u003cp\u003e\n    Engineered for precision workflows, this \u003cstrong\u003e4-inch Arca-Swiss style clamp\u003c\/strong\u003e is CNC machined from solid aircraft-grade 6061-T6 aluminum. The long black knob provides extra torque, making it easy to secure heavy equipment with minimal effort. This \"Micro-Vise\" design ensures a rock-solid, twist-free connection compatible with plates from RRS, Kirk, Wimberley, and Markins.\n\u003c\/p\u003e\n\u003cp\u003e\n    \u003cstrong\u003eSafety and Field Reliability:\u003c\/strong\u003e This clamp is built for the rigors of outdoor and studio environments. The safety relief grooves serve as a critical fail-safe against accidental drops, while the hard-coat black anodized finish provides exceptional wear resistance. Whether you are shooting architectural panoramas or balancing a long lens, this clamp delivers the reliability demanded by professional photographers.\n\u003c\/p\u003e\n\n\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eJaw Length:\u003c\/strong\u003e 4.00 Inches (101.6mm)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eKnob Type:\u003c\/strong\u003e Long Black (Captive Design)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMounting Holes:\u003c\/strong\u003e Two 1\/4-20 tapped holes (45mm spacing)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCenter Threading:\u003c\/strong\u003e Threaded 3\/8-16 and countersunk for M6\/1\/4-20\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRelief Groove Depth:\u003c\/strong\u003e 2.6mm\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701597929577,"sku":"F64b","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/F64b-2.jpg?v=1792110994"},{"product_id":"2-375-arca-swiss-clamp-two-1-4-20-captive-slots","title":"2.375\" Arca-Swiss Compatible Quick Release Clamp with Captive Slots","description":"\u003c!-- Gray Banner Header --\u003e\n\u003cdiv style=\"background:#e5e5e5; padding:12px 15px; margin-bottom:18px;\"\u003e \n    \u003cstrong\u003e2.375 Inch Arca-Swiss Compatible Quick Release Clamp | Two 1\/4-20 Captive Slots \u0026amp; Anti-Twist Groove\u003c\/strong\u003e \n\u003c\/div\u003e\n\n\u003c!-- Main Product Title \u0026 Overview --\u003e\n\u003ch1\u003e2.375\" Arca-Swiss Compatible Quick Release Clamp with Captive Slots\u003c\/h1\u003e\n\u003cp\u003e\n    The 2.375-inch jaw length \u003cstrong\u003eArca-Swiss compatible clamp\u003c\/strong\u003e is a versatile and highly adaptable mounting solution, specifically engineered with \u003cstrong\u003etwo 1\/4-20 captive slots\u003c\/strong\u003e. This design provides exceptional flexibility for adjustable positioning on custom plates, brackets, or rails, making it a professional-grade choice for complex camera support systems.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- Key Features Section --\u003e\n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e\n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eDual 1\/4-20 Captive Slots:\u003c\/strong\u003e The elongated captive slots allow for precise, sliding adjustments, enabling the clamp to be perfectly positioned and secured on custom-built rigs and multi-point brackets.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eSecure 2.375\" Jaw Length:\u003c\/strong\u003e Provides a robust and stable clamping surface for medium to large camera setups while maintaining a streamlined profile for field use.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eBlack Captive Knob:\u003c\/strong\u003e High-torque design ensures a rock-solid lock; the captive mechanism prevents the knob from backing out entirely, ensuring it cannot be lost in the field.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Integration:\u003c\/strong\u003e The rear side features a precision-machined registration groove designed to match professional ball head connections, effectively eliminating unwanted rotation under load.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePremium Construction:\u003c\/strong\u003e Precision CNC-machined from solid 6061-T6 aircraft-grade aluminum for maximum strength and professional durability.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eDurable Hard-Coat Finish:\u003c\/strong\u003e Finished with a black hard-coat anodized layer for superior resistance to scratches, wear, and environmental corrosion.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured to exacting professional tolerances for lifelong reliability in demanding photographic environments.\u003c\/li\u003e \n\u003c\/ul\u003e\n\n\u003c!-- Detailed Description --\u003e\n\u003ch2\u003eVersatile Slotted Mounting for Professional Rigs\u003c\/h2\u003e \n\u003cp\u003e \n    Optimize your modular camera equipment with this \u003cstrong\u003eprofessional Arca-style slotted clamp\u003c\/strong\u003e. The inclusion of dual captive slots makes this clamp a favorite for photographers and videographers who build their own custom support systems, as it can be easily aligned and bolted to various handles, rails, or specialized brackets. \n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eField-Safe Design and Security:\u003c\/strong\u003e Built for the rigors of technical field photography, the \"Micro-Vise\" design ensures a tenacious, twist-free grip on any compatible plate from major brands like RRS, Kirk, Wimberley, and Markins. The captive hardware is an essential fail-safe, ensuring you are never stranded with a disassembled clamp while on a shoot. 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This unique design allows for adjustable positioning and flexible mounting on custom plates, brackets, or rails. Equipped with a precision \u003cstrong\u003eblack captive knob\u003c\/strong\u003e, this clamp provides a professional-grade, low-profile foundation for versatile camera support systems.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- Key Features Section --\u003e\n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e\n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eDual 1\/4-20 Captive Slots:\u003c\/strong\u003e The slotted design provides significant mounting flexibility, allowing the user to slide and secure the clamp in the optimal position for custom rigs and brackets.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCompact 1.50\" Jaw Length:\u003c\/strong\u003e An ideal low-profile size for travel setups and accessory mounting, providing a secure grip without excessive bulk.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eBlack Captive Knob:\u003c\/strong\u003e High-torque design for reliable locking; the captive mechanism ensures the knob stops at its maximum opening and cannot be lost in the field.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Integration:\u003c\/strong\u003e The rear side features a precision-machined groove to match professional ball head connections, effectively preventing unwanted rotation under load.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePremium Construction:\u003c\/strong\u003e Precision CNC-machined from solid 6061-T6 aircraft-grade aluminum for professional durability and strength.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eDurable Finish:\u003c\/strong\u003e Finished with a hard-coat anodized layer for maximum resistance to wear, scratches, and the elements.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured to exacting professional tolerances for lifelong reliability.\u003c\/li\u003e \n\u003c\/ul\u003e\n\n\u003c!-- Detailed Description --\u003e\n\u003ch2\u003eVersatile Slotted Mounting Solution\u003c\/h2\u003e \n\u003cp\u003e \n    Upgrade your modular camera system with this \u003cstrong\u003eprofessional Arca-style slotted clamp\u003c\/strong\u003e. The dual captive slots make this clamp exceptionally versatile, allowing it to be bolted directly to any support system that requires adjustable alignment. Its \"Micro-Vise\" design ensures a tenacious, twist-free grip on any compatible plate from major brands like RRS, Kirk, Wimberley, and Markins.\n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eAdvanced Safety and Reliability:\u003c\/strong\u003e Designed for the rigors of field photography, the captive hardware ensures that no components can be accidentally backed out or lost while working. The back of the clamp features a registration channel designed to mate with common ball head posts, eliminating the shifting common with heavy camera setups or vertical shooting. Whether you are building a custom macro rig or adding a quick-release point to a specialized bracket, this clamp offers the structural integrity required for precise technical work.\n\u003c\/p\u003e\n\n\u003c!-- Technical Specifications --\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eJaw Length:\u003c\/strong\u003e 1.50 Inches (38.1mm)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMounting Type:\u003c\/strong\u003e Two 1\/4-20 Captive Slots\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eKnob Type:\u003c\/strong\u003e Black (Captive Field-Safe Design)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Feature:\u003c\/strong\u003e Rear Registration Groove\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701598126185,"sku":"F69b","price":50.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/F69b-2.jpg?v=1792110999"},{"product_id":"2-375-arca-swiss-compatible-quick-release-clamp-with-bubble-level","title":"2.375\" Arca-Swiss Compatible Quick Release Clamp with Bubble Level","description":"\u003c!-- Gray Banner Header --\u003e\n\u003cdiv style=\"background:#e5e5e5; padding:12px 15px; margin-bottom:18px;\"\u003e \n    \u003cstrong\u003e2.375 Inch Arca-Swiss Compatible Quick Release Clamp | Bubble Level \u0026amp; Long Silver Knob\u003c\/strong\u003e \n\u003c\/div\u003e\n\n\u003c!-- Main Product Title \u0026 Overview --\u003e\n\u003ch1\u003e2.375\" Arca-Swiss Compatible Quick Release Clamp with Bubble Level\u003c\/h1\u003e\n\u003cp\u003e\n    The 2.375-inch jaw length \u003cstrong\u003eArca-Swiss compatible clamp\u003c\/strong\u003e is a high-precision mounting solution featuring an \u003cstrong\u003eintegrated bubble level\u003c\/strong\u003e for fast, accurate leveling in the field. Designed with a high-visibility \u003cstrong\u003elong silver captive knob\u003c\/strong\u003e, this clamp provides a rock-solid foundation for tripod heads, panoramic gear, and custom modular camera rigs.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- Key Features Section --\u003e\n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e\n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eIntegrated Bubble Level:\u003c\/strong\u003e Allows for immediate visual leveling of your camera system, which is essential for landscape, architectural, and panoramic photography.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCompact 2.375\" Jaw Length:\u003c\/strong\u003e Perfectly sized for ball heads and travel tripods, providing a secure grip without excessive bulk.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eLong Silver Captive Knob:\u003c\/strong\u003e Ergonomic, high-leverage design for easy operation; the captive mechanism ensures the knob stops at maximum opening and cannot be lost in the field.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eVersatile Mounting Interface:\u003c\/strong\u003e Center socket is countersunk on top for 1\/4-20 or M6 screws and is natively threaded for 3\/8-16 studs.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eDeep Safety Relief Grooves:\u003c\/strong\u003e Engineered to guarantee compatibility with Arca-type plates and rails featuring safety stops, preventing gear \"free fall\" if the clamp is partially open.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Integration:\u003c\/strong\u003e The rear side features a dedicated registration groove to match professional ball head connections, effectively preventing unwanted rotation during use.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePremium Materials:\u003c\/strong\u003e Precision CNC-machined from solid 6061-T6 aircraft-grade aluminum with a durable black hard-coat anodized finish.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured to professional tolerances for lifelong reliability in demanding environments.\u003c\/li\u003e \n\u003c\/ul\u003e\n\n\u003c!-- Detailed Description --\u003e\n\u003ch2\u003eProfessional Arca-Type Quick Release Solution\u003c\/h2\u003e \n\u003cp\u003e \n    Modernize your camera support gear with a \u003cstrong\u003eprofessional Arca-style clamp\u003c\/strong\u003e built for technical precision. The \"Micro-Vise\" design ensures a tenacious, twist-free grip on any compatible plate from leading brands like RRS, Kirk, Wimberley, and Markins. The 2.375-inch profile is a versatile size that works as a high-performance replacement for standard factory clamps on a wide variety of tripod heads.\n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eAdvanced Safety and Reliability:\u003c\/strong\u003e Designed for the rigors of professional field use, the deep relief grooves serve as a critical fail-safe against accidental gear drops. The back of the clamp includes a registration channel designed to mate with common ball head posts, eliminating the shifting and twisting common with heavy camera setups. 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Utilizing precision aligning pins and bushings, this set creates a rigid coupler for connecting two Arca-style rails or plates, providing the stability required for advanced macro photography and panoramic rigging.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- Key Features Section --\u003e\n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e\n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eBack-to-Back Modular Assembly:\u003c\/strong\u003e Includes two 2.375\" clamps that mount together via precision pins and bushings to eliminate twisting and rotation.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCustomizable Orientations:\u003c\/strong\u003e Clamps can be mounted in different orientations to match your specific gear requirements (Note: Set cannot be assembled with knobs facing the same direction).\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVersatile 3\/8-16 Mount:\u003c\/strong\u003e Center socket is countersunk on top for 1\/4-20 or M6 screws and is natively threaded for standard 3\/8-16 tripod studs.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLong Silver Captive Knobs:\u003c\/strong\u003e High-visibility, high-leverage knobs feature a captive design that stops at maximum opening to ensure they \u003cem\u003ecannot be lost in the field\u003c\/em\u003e.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eSafety Relief Grooves:\u003c\/strong\u003e Integrated deep grooves ensure compatibility with plates featuring safety stops, preventing gear \"free fall\" if a clamp is partially open.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Integration:\u003c\/strong\u003e Rear-side registration grooves match professional ball head connections for a shift-free mounting interface when used independently.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eDual-Functionality:\u003c\/strong\u003e When disassembled, both units function as standard, professional-grade Arca-type clamps.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePremium Materials:\u003c\/strong\u003e Precision CNC-machined from 6061-T6 aircraft-grade aluminum with a black hard-coat anodized finish.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured to professional tolerances for lifelong reliability.\u003c\/li\u003e \n\u003c\/ul\u003e\n\n\u003c!-- Detailed Product Description --\u003e\n\u003ch2\u003eProfessional Double-Sided Mounting Versatility\u003c\/h2\u003e \n\u003cp\u003e \n    Engineered for technical photographers, this \u003cstrong\u003eprofessional Arca-style double clamp set\u003c\/strong\u003e provides the unyielding \"Micro-Vise\" grip necessary for high-end support systems. The back-to-back design is an essential component for building multi-axis rigs, allowing you to bridge two Arca-compatible rails with zero play. This setup is fully compatible with industry-standard plates from brands like RRS, Kirk, Wimberley, and Markins.\n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eField-Safe Engineering and Reliability:\u003c\/strong\u003e Built for the rigors of outdoor photography, the long silver knobs provide excellent leverage even when wearing gloves. The captive hardware prevents accidental disassembly, and the safety relief grooves provide a critical fail-safe against gear slippage. This modular set delivers the structural integrity and precision required for advanced technical work, from architectural panoramas to high-magnification macro stacking.\n\u003c\/p\u003e\n\n\u003c!-- Technical Specifications --\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eJaw Length:\u003c\/strong\u003e 2.375 Inches (60.3mm)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Modular Back-to-Back Double Clamp\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHardware:\u003c\/strong\u003e Aligning Pins and Bushing Included\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e 3\/8-16 Threaded \u0026amp; Countersunk for 1\/4-20\/M6\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eKnob Type:\u003c\/strong\u003e Long Silver (Captive Field-Safe Design)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701598257257,"sku":"F72Set","price":139.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/F72Set-2.jpg?v=1792111003"},{"product_id":"600-inch-arca-swiss-compatible-clamp-silver-knob-1","title":"6.00\" Arca-Swiss Compatible Quick Release Clamp | 1.25-Inch Spaced Mounts","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e \n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e \n    \u003cstrong\u003e6.00 Inch Arca-Swiss Compatible Quick Release Clamp | 1.25\" Spaced Mounting Holes\u003c\/strong\u003e \n\u003c\/div\u003e \n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e \n\u003ch1\u003e6.00\" Arca-Swiss Compatible Quick Release Clamp | 1.25-Inch Spaced Mounts\u003c\/h1\u003e \n\u003cp\u003e\n    The 6.00-inch jaw length \u003cstrong\u003eArca-Swiss compatible clamp\u003c\/strong\u003e is a heavy-duty mounting solution designed for professional photographers who require absolute security for long telephoto lenses, macro rails, and complex camera rigs. Featuring a high-visibility \u003cstrong\u003elong silver knob\u003c\/strong\u003e and a versatile three-hole mounting interface, this clamp provides unmatched stability and precision for high-end tripod and monopod support systems.\n\u003c\/p\u003e \n\u003chr\u003e \n\n\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e \n\u003ch2\u003eKey Features \u0026amp; Quick Overview\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eExtended 6.00\" Jaws:\u003c\/strong\u003e Provides an expansive surface area for maximum contact and clamping force on longer Arca-type plates and rails.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePrecision Triple Mounts:\u003c\/strong\u003e Features three threaded holes for 1\/4-20 or M6 screws, precisely spaced 1.25 inches apart for specialized attachments.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eUniversal Center Threading:\u003c\/strong\u003e Center socket is natively threaded for 3\/8-16 studs, allowing direct mounting to standard professional tripod heads.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eSafety Relief Grooves:\u003c\/strong\u003e 2.6mm deep grooves ensure compatibility with Arca-type plates featuring safety stops, preventing gear \"free fall\" even if the clamp is partially open.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eTongue-in-Pocket Design:\u003c\/strong\u003e Internal mechanism protects moving parts from dust and grit while keeping the jaws perfectly aligned to eliminate unwanted bending forces.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCaptive Silver Knob:\u003c\/strong\u003e High-leverage long silver knob is captive and stops at maximum opening, ensuring it is never lost in the field.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Integration:\u003c\/strong\u003e The back side features a dedicated groove to match professional ball head connections and prevent rotation during active use.\u003c\/li\u003e \n\u003c\/ul\u003e \n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e \n\u003ch2\u003eProfessional Arca-Type Quick Release Solution\u003c\/h2\u003e \n\u003cp\u003e \n    Upgrade your camera support gear with an \u003cstrong\u003eArca-Swiss compatible clamp\u003c\/strong\u003e built for the most demanding technical environments. Precision CNC machined from aircraft-grade 6061-T6 aluminum, this 6.00-inch clamp offers the rock-solid connection required for heavy telephoto glass and macro stacking setups. Its \"Micro-Vise\" design ensures a tenacious, twist-free grip on any compatible plate from major brands like RRS, Kirk, Wimberley, and Markins. \n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eAdvanced Safety and Field Reliability:\u003c\/strong\u003e This clamp is engineered for total system interoperability and maximum field reliability. The integrated 2.6mm deep safety relief grooves serve as a critical fail-safe against accidental gear drops, while the captive hardware design ensures you are never stranded on a location shoot due to a missing knob. Finished in a durable black hard-coat anodize, this high-performance clamp is built to provide years of professional service.\n\u003c\/p\u003e \n\n\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e \n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eJaw Length:\u003c\/strong\u003e 6.00 Inches (152.4mm)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 8.4 oz (239g)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMounting Holes:\u003c\/strong\u003e Three 1\/4-20 or M6 threaded holes (1.25\" spacing)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCenter Socket:\u003c\/strong\u003e Threaded 3\/8-16 and countersunk for M6\/1\/4-20\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eKnob Type:\u003c\/strong\u003e Long Silver (Captive Design)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e \n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701598290025,"sku":"F80","price":85.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/F80-2.jpg?v=1792111010"},{"product_id":"1-50-inch-arca-swiss-clamp-integrated-dovetail","title":"1.50\" Arca-Swiss Compatible Clamp with Integrated Bottom Dovetail","description":"\u003c!-- Gray Banner Header --\u003e\n\u003cdiv style=\"background:#e5e5e5; padding:12px 15px; margin-bottom:18px;\"\u003e \n    \u003cstrong\u003e1.50 Inch Arca-Swiss Compatible Quick Release Clamp | Bottom Dovetail \u0026amp; Black Knob\u003c\/strong\u003e \n\u003c\/div\u003e\n\n\u003c!-- Main Product Title \u0026 Overview --\u003e\n\u003ch1\u003e1.50\" Arca-Swiss Compatible Clamp with Integrated Bottom Dovetail\u003c\/h1\u003e\n\u003cp\u003e\n    This 1.50-inch jaw length \u003cstrong\u003eArca-Swiss compatible clamp\u003c\/strong\u003e is a versatile, multi-functional mounting solution designed for seamless transitions in the field. Featuring an \u003cstrong\u003eintegrated dovetail on the bottom\u003c\/strong\u003e, this clamp can be mounted directly onto other Arca-style clamps, making it the perfect tool for photographers quickly switching between non-collared and collared lenses.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- Key Features Section --\u003e\n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e\n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eBuilt-in Bottom Dovetail:\u003c\/strong\u003e Allows the clamp itself to be secured inside another Arca-Swiss compatible clamp, providing a modular \"stackable\" mounting solution.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVersatile Mounting Interface:\u003c\/strong\u003e Center socket is countersunk on top for 1\/4-20 or M6 screws and is natively threaded for standard 3\/8-16 tripod studs.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCompact 1.50\" Design:\u003c\/strong\u003e Ideal low-profile footprint for travel tripods and mirrorless systems, providing a rock-solid grip without added bulk.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eBlack Captive Knob:\u003c\/strong\u003e Ergonomic design for easy locking; the captive mechanism ensures the knob stops at its maximum opening and cannot be lost in the field.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Integration:\u003c\/strong\u003e The rear side features a precision-machined groove to match professional ball head connections, effectively preventing unwanted rotation during use.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eProfessional Construction:\u003c\/strong\u003e Precision CNC-machined from solid 6061-T6 aircraft-grade aluminum for maximum durability.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eDurable Finish:\u003c\/strong\u003e Hard-coat anodized for superior resistance to wear, scratches, and environmental elements.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured to exacting professional tolerances for lifelong reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- Detailed Product Description --\u003e\n\u003ch2\u003eModular Arca-Type Mounting Versatility\u003c\/h2\u003e \n\u003cp\u003e \n    Upgrade your workflow with a \u003cstrong\u003eprofessional Arca-style clamp\u003c\/strong\u003e built for technical flexibility. The unique integrated dovetail on the base allows you to use this clamp as a standalone mounting point or as a quick-release adapter mounted within a larger system. It is particularly effective for photographers who need to rapidly adapt their tripod head for different lens configurations.\n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eField-Safe Engineering:\u003c\/strong\u003e Designed for the rigors of professional field work, the black knob is fully captive. It is engineered to stop at its maximum opening, ensuring the hardware remains intact and cannot be accidentally unscrewed or lost. This reliability, combined with the anti-twist registration channel on the underside, ensures the professional-grade stability and precision required for advanced technical photography. \n\u003c\/p\u003e\n\n\u003c!-- Technical Specifications --\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eJaw Length:\u003c\/strong\u003e 1.50 Inches (38.1mm)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eBase Design:\u003c\/strong\u003e Integrated Arca-Swiss Style Dovetail\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eKnob Type:\u003c\/strong\u003e Black Captive (Field-Safe Design)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCenter Mounting:\u003c\/strong\u003e Threaded 3\/8-16 \u0026amp; Countersunk for 1\/4-20 or M6\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701598322793,"sku":"F91b","price":55.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/F91b-2.jpg?v=1792111012"},{"product_id":"professional-arcaswiss-screwknob-claamp","title":"2.375 inch Arca-Swiss Compatible Quick Release Clamp","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e \n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e \n    \u003cstrong\u003eProfessional Arca-Swiss Quick Release Clamp System | High-Force Screw-Knob Design\u003c\/strong\u003e \n\u003c\/div\u003e \n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e \n\u003ch1\u003e2.375 inch Arca-Swiss Compatible Quick Release Clamp\u003c\/h1\u003e \n\u003cp\u003e\n    This precision-engineered quick-release system is based on the industry-standard \u003cstrong\u003eArca-Swiss\u003c\/strong\u003e design, offering a modular and secure mounting solution for professional photographers. Utilizing a robust two-part system—a fixed clamp and a matching camera plate—this setup provides superior stability and rapid equipment interchangeability on any tripod or monopod support.\n\u003c\/p\u003e \n\u003chr\u003e \n\n\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e \n\u003ch2\u003eKey Features \u0026amp; Quick Overview\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eSuperior Clamping Force:\u003c\/strong\u003e Traditional screw-knob design delivers greater clamping pressure than standard lever-style clamps.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Screw-knob mechanism accepts Arca-type plates from various manufacturers, even with slight size variations.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eSafety Relief Grooves:\u003c\/strong\u003e 2.6mm deep relief grooves guarantee compatibility with plates featuring safety stops, preventing gear from sliding out when partially open.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCaptive Long Black Knob:\u003c\/strong\u003e The knob is a one-piece captive design that stops at maximum opening so it cannot be lost in the field.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Connection:\u003c\/strong\u003e The back side features a dedicated groove to match ball head connections, preventing the clamp from twisting during use.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eIntegrated 3\/8-16 Socket:\u003c\/strong\u003e Center socket is threaded 3\/8-16 for direct mounting to standard tripod studs.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePremium Materials:\u003c\/strong\u003e Precision C.N.C. machined from solid 6061-T6 aircraft-grade aluminum.\u003c\/li\u003e \n\u003c\/ul\u003e \n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e \n\u003ch2\u003eHigh-Performance Modular Quick Release Solution\u003c\/h2\u003e \n\u003cp\u003e \n    Engineered for the rigors of field use, this \u003cstrong\u003eArca-Swiss compatible clamp\u003c\/strong\u003e is the ideal foundation for any professional camera support kit. By utilizing a screw-knob mechanism rather than a fixed-width lever, this clamp provides the flexibility to use a wide variety of \u003cstrong\u003eArca-type plates\u003c\/strong\u003e from different brands while maintaining maximum clamping force. For a complete setup, a separate quick-release plate is required for each camera body or telephoto lens collar you wish to use.\n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003ePrecision Engineering and Safety:\u003c\/strong\u003e The \"Micro-Vise\" design features \"V\" shaped dovetail jaws that close with tenacious force on matching plates. For added security, the 2.6mm deep relief grooves ensure your safety-stop screws can function correctly, providing a fail-safe against accidental drops. The entire unit is finished in a durable black hard-coat anodize to ensure long-lasting performance in diverse photographic environments.\n\u003c\/p\u003e \n\n\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e \n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e Arca-Swiss Compatible\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMounting Thread:\u003c\/strong\u003e 3\/8-16 Center Socket\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eSafety Feature:\u003c\/strong\u003e 2.6mm Relief Grooves for Stop Screws\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eKnob Type:\u003c\/strong\u003e Captive Screw-Knob (Long Black)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eHardware:\u003c\/strong\u003e Stainless Steel Components\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701598552169,"sku":"FH131b","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/FH131b-2.jpg?v=1792111020"},{"product_id":"1-inch-arca-swiss-clamp-qd-socket-black-knob","title":"1\" Arca-Swiss Compatible Clamp with Integrated QD Socket","description":"\u003c!-- Gray Banner Header --\u003e\n\u003cdiv style=\"background:#e5e5e5; padding:12px 15px; margin-bottom:18px;\"\u003e \n    \u003cstrong\u003e1.0\" Arca-Type Quick Release Clamp | Integrated QD Socket \u0026amp; Black Captive Knob\u003c\/strong\u003e \n\u003c\/div\u003e\n\n\u003c!-- Main Product Title \u0026 Overview --\u003e\n\u003ch1\u003e1\" Arca-Swiss Compatible Clamp with Integrated QD Socket\u003c\/h1\u003e\n\u003cp\u003e\n    This 1.0-inch \u003cstrong\u003eArca-Swiss compatible clamp\u003c\/strong\u003e is a precision-engineered mounting solution featuring a centered, \u003cstrong\u003eintegrated stainless steel Quick Detach (QD) socket\u003c\/strong\u003e. Designed for high-performance security, it includes a sleek black captive knob and a versatile mounting base, making it an ideal choice for professional camera carry systems and modular setups.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- Quick Overview Section --\u003e\n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e\n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eIntegrated QD Socket:\u003c\/strong\u003e Centered stainless steel Quick Detach (QD) socket accepts standard push-button QD mounts for rapid, secure strap integration.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSleek Black Captive Knob:\u003c\/strong\u003e Ergonomically designed for a secure grip; the captive mechanism ensures the knob stops at its maximum opening and cannot be lost in the field.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCompact 1.0\" Design:\u003c\/strong\u003e Ultra-portable footprint provides a rock-solid Arca-type interface for plates, L-brackets, and replacement feet without adding bulk.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eAccidental Release Protection:\u003c\/strong\u003e The proven QD system—trusted for decades by NASA, law enforcement, and military agencies—provides an anti-accidental-release connection when carrying gear on a strap.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Integration:\u003c\/strong\u003e The rear side features a precision-machined groove to match professional ball head connections, effectively eliminating unwanted rotation during use.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eTongue-in-Pocket Design:\u003c\/strong\u003e Protects internal parts from dust and grit while maintaining perfect jaw alignment and eliminating bending forces on the threaded stud.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePremium Materials:\u003c\/strong\u003e Precision CNC-machined from solid 6061-T6 aircraft-grade aluminum with a durable black hard-coat anodized finish.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured to exacting professional tolerances for lifelong reliability in demanding environments.\u003c\/li\u003e \n\u003c\/ul\u003e\n\n\u003c!-- Detailed Product Description --\u003e\n\u003ch2\u003eSecure Strap Integration \u0026amp; Mounting Versatility\u003c\/h2\u003e \n\u003cp\u003e \n    This \u003cstrong\u003eprofessional Arca-style clamp\u003c\/strong\u003e is specifically designed for photographers who prioritize both mounting speed and gear safety. The integrated QD socket allows you to attach your preferred QD-compatible strap directly to the clamp, facilitating fast and safe transitions between handheld shooting and tripod use. \n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eAdvanced Engineering for Field Performance:\u003c\/strong\u003e Built for the rigors of outdoor and tactical use, the black captive knob ensures you never lose critical hardware while working in the field. The center socket is countersunk on top to accept 1\/4-20 or M6 screws and is also natively threaded for standard 3\/8-16 tripod studs, providing exceptional flexibility for mounting on various ball heads, pan heads, and custom rigs. This clamp delivers the structural integrity and precision required for advanced technical photography.\n\u003c\/p\u003e\n\n\u003c!-- Technical Specifications --\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eJaw Length:\u003c\/strong\u003e 1.00 Inch (25.4mm)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.2 oz (62g)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eQD Interface:\u003c\/strong\u003e Centered Stainless Steel QD Socket\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eKnob Type:\u003c\/strong\u003e Black Captive (Field-Safe Design)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCenter Mounting:\u003c\/strong\u003e Threaded 3\/8-16 \u0026amp; Countersunk for 1\/4-20 or M6\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701598912617,"sku":"FQD1-A","price":55.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/FQD1-A-2.jpg?v=1792111033"},{"product_id":"2375-round-arcaswiss-compatible-screw-knob-clamp","title":"2.375\" Round Arca-Swiss Compatible Quick Release Clamp","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e \n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e \n    \u003cstrong\u003e2.375\" Round Arca-Swiss Compatible Clamp | High-Force Screw-Knob Design\u003c\/strong\u003e \n\u003c\/div\u003e \n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e \n\u003ch1\u003e2.375\" Round Arca-Swiss Compatible Quick Release Clamp\u003c\/h1\u003e \n\u003cp\u003e\n    This precision-engineered \u003cstrong\u003eArca-Swiss compatible clamp\u003c\/strong\u003e is designed for professional photographers seeking a robust and modular mounting interface. The round 2.375-inch profile is ideal for upgrading or converting existing tripod heads, gimbals, and modular rigs to a universal quick-release standard. \n\u003c\/p\u003e \n\u003chr\u003e \n\n\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e \n\u003ch2\u003eKey Features \u0026amp; Quick Overview\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eUniversal Arca-Swiss Standard:\u003c\/strong\u003e Compatible with Arca-type plates from various manufacturers, including Kirk, RRS, Wimberley, and Markins.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eSuperior Clamping Force:\u003c\/strong\u003e Traditional screw-knob design delivers greater pressure than standard lever clamps, essential for heavy telephoto setups.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCaptive Long Black Knob:\u003c\/strong\u003e The one-piece aluminum knob is captive and stops at maximum opening to ensure it cannot be lost in the field.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eSafety Relief Grooves:\u003c\/strong\u003e 2.6mm deep grooves prevent gear \"free fall\" by catching safety-stop screws on your plates even if the clamp is not fully closed.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eTongue-in-Pocket Design:\u003c\/strong\u003e Protects internal moving parts from dust and grit while keeping the jaws perfectly aligned during clamping.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePrecision Machining:\u003c\/strong\u003e CNC machined from solid 6061-T6 aircraft-grade aluminum for maximum durability and strength.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Mounting:\u003c\/strong\u003e The back side features a dedicated groove to match ball head connections and prevent the clamp from twisting.\u003c\/li\u003e \n\u003c\/ul\u003e \n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e \n\u003ch2\u003eHigh-Performance Quick Release Solution\u003c\/h2\u003e \n\u003cp\u003e \n    Engineered for reliability in the field, this \u003cstrong\u003eround quick-release clamp\u003c\/strong\u003e is the ideal choice for photographers using mixed-manufacturer gear. Because the screw-knob mechanism offers a wider adjustment range than fixed lever designs, it easily accommodates slight plate size variations from different brands. This \"Micro-Vise\" style ensures a tenacious, rock-solid connection for everything from compact camera bodies to large telephoto lenses.\n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eSafety and Field Reliability:\u003c\/strong\u003e The 2.375-inch diameter provides a stable platform while remaining compact enough for travel setups. The 3\/8-16 threaded center socket allows for direct mounting to most standard tripod studs. For long-term use in demanding environments, the clamp is finished with a black hard-coat anodize to resist wear, scratches, and corrosion.\n\u003c\/p\u003e \n\n\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e \n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 2.375 Inches (approx. 60.3mm)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMounting Socket:\u003c\/strong\u003e Threaded 3\/8-16 Center\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized Body\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eSafety Feature:\u003c\/strong\u003e 2.6mm Deep Relief Grooves for Stop Screws\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approximately 3.4 oz (97g)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eKnob Style:\u003c\/strong\u003e Captive Screw-Knob (Long Black)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701598945385,"sku":"FR2375","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/FR2375-2.jpg?v=1792111035"},{"product_id":"2625-round-arcaswiss-compatible-screw-knob-clamp","title":"2.625\" Round Arca-Swiss Compatible Quick Release Clamp","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e \n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e \n    \u003cstrong\u003e2.625\" Round Arca-Swiss Compatible Clamp | High-Force Screw-Knob Design\u003c\/strong\u003e \n\u003c\/div\u003e \n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e \n\u003ch1\u003e2.625\" Round Arca-Swiss Compatible Quick Release Clamp\u003c\/h1\u003e \n\u003cp\u003e\n    This precision-engineered \u003cstrong\u003eArca-Swiss compatible clamp\u003c\/strong\u003e features a 2.625-inch diameter, providing a wide and stable mounting platform for professional photography gear. Designed with a traditional screw-knob mechanism, it delivers superior clamping force and maximum security for ball heads, gimbal heads, and custom camera rigs.\n\u003c\/p\u003e \n\u003chr\u003e \n\n\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e \n\u003ch2\u003eKey Features \u0026amp; Quick Overview\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eHigh-Force Screw-Knob:\u003c\/strong\u003e Traditional design provides greater clamping pressure than lever clamps and adjusts to accommodate plates from various manufacturers.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eLong Black Knob:\u003c\/strong\u003e Ergonomic oversized knob ensures easy operation and maximum leverage, even when wearing gloves.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eSafety Relief Grooves:\u003c\/strong\u003e 2.6mm deep relief grooves ensure compatibility with most Arca-type plates and rails featuring safety stops, preventing gear from sliding out if the clamp is partially open.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCaptive Hardware:\u003c\/strong\u003e The knob is captive and stops at its maximum opening, ensuring it cannot be lost in the field during gear changes.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eUniversal Mounting:\u003c\/strong\u003e The center socket is threaded 3\/8-16 for direct mounting to standard tripod and monopod studs.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Design:\u003c\/strong\u003e The back side features a dedicated groove to match ball head connections, preventing the clamp from twisting during use.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePremium Materials:\u003c\/strong\u003e Precision C.N.C. machined from 6061-T6 aircraft-grade aluminum for lifelong durability.\u003c\/li\u003e \n\u003c\/ul\u003e \n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e \n\u003ch2\u003eProfessional Grade Arca-Type Quick Release Solution\u003c\/h2\u003e \n\u003cp\u003e \n    Upgrade your camera support system with a \u003cstrong\u003eround Arca-Swiss compatible clamp\u003c\/strong\u003e built for the most demanding environments. The 2.625-inch diameter offers an expansive surface area that perfectly contours larger tripod head bases, ensuring a rock-solid, vibration-free connection. \n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eSafety and Field Reliability:\u003c\/strong\u003e This clamp is engineered with safety as a priority. The integrated 2.6mm relief grooves act as a fail-safe, catching the safety-stop screws found on high-end plates and rails. The screw-knob design is widely preferred by professionals for its ability to \"fine-tune\" the grip, making it compatible with Arca-style accessories from RRS, Kirk, Wimberley, and Markins. \n\u003c\/p\u003e \n\n\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e \n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 2.625 Inches (66.7mm)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eKnob Style:\u003c\/strong\u003e Long Black (Captive)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCenter Thread:\u003c\/strong\u003e 3\/8-16 Threaded Socket\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eRelief Groove Depth:\u003c\/strong\u003e 2.6mm\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 6061-T6 Aluminum\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701598978153,"sku":"FR2625","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/FR2625-2.jpg?v=1792111037"},{"product_id":"m8-threaded-arcaswiss-screw-knob-clamp","title":"Arca-Swiss Compatible Quick Release Clamp with M8 Center Thread","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e\n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e\n\t\u003cstrong\u003eArca-Swiss Compatible Clamp with M8 Thread | High-Force Screw-Knob Design\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e\n\u003ch1\u003eArca-Swiss Compatible Quick Release Clamp with M8 Center Thread\u003c\/h1\u003e\n\u003cp\u003e\n    This precision-engineered \n\t\u003cstrong\u003eArca-Swiss compatible clamp\u003c\/strong\u003e features an M8 threaded center socket, offering a dedicated mounting interface for specific ball heads, gimbals, and custom camera rigs. Designed with a traditional high-force screw-knob mechanism, it delivers superior clamping pressure and maximum gear security for professional photography applications.\n\u003c\/p\u003e\n\u003chr\u003e\n\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e\n\u003ch2\u003eKey Features \u0026amp; Quick Overview\u003c\/h2\u003e\n\u003cul\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eM8 Threaded Center Socket:\u003c\/strong\u003e Natively accepts M8 metric mounting screws for specialized tripod head connections.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eHigh-Force Screw-Knob:\u003c\/strong\u003e Traditional design provides greater clamping pressure than lever clamps and accommodates plates from various manufacturers.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eLong Black Knob:\u003c\/strong\u003e Oversized, ergonomic knob ensures easy operation and maximum leverage under heavy equipment loads.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eSafety Relief Grooves:\u003c\/strong\u003e 2.6mm deep relief grooves ensure compatibility with Arca-type plates and rails featuring safety stops.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eAnti-Slide Protection:\u003c\/strong\u003e Integrated relief grooves prevent gear \"free fall\" if the clamp jaws are not fully closed.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eCaptive Field Hardware:\u003c\/strong\u003e The locking knob is captive and stops at its maximum opening so it cannot be lost in the field.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eProfessional Durability:\u003c\/strong\u003e Precision CNC machined from aircraft-grade aluminum with a rugged black hard-coat finish.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e\n\u003ch2\u003eProfessional Arca-Type Quick Release Interface\u003c\/h2\u003e\n\u003cp\u003e\n    Upgrade your camera support gear with a specialized \n\t\u003cstrong\u003eM8 threaded quick release clamp\u003c\/strong\u003e built for the rigors of field shooting. Because the screw-knob mechanism offers a wider adjustment profile than fixed-width lever clamps, it easily absorbs the slight plate sizing variations common among different accessory manufacturers. This allows you to securely mix and match your existing plates with confidence.\n\u003c\/p\u003e\n\u003cp\u003e\n\t\u003cstrong\u003eFail-Safe Engineering and Reliability:\u003c\/strong\u003e Safety is a primary design driver for this unit. The 2.6mm deep relief channels serve as a crucial safety boundary, catching the stop screws on your lens plates or multi-purpose rails before your gear can slide completely free of the jaws. Furthermore, the captive knob ensures you never find yourself stranded on a location shoot due to a missing component.\n\u003c\/p\u003e\n\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e Arca-Swiss Compatible\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eMounting Socket:\u003c\/strong\u003e Threaded M8 Metric Center\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eKnob Style:\u003c\/strong\u003e Long Black (Captive Design)\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eRelief Groove Depth:\u003c\/strong\u003e 2.6mm\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined Aircraft-Grade Aluminum\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701599010921,"sku":"FS-635","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/FS-635-2.jpg?v=1792111038"},{"product_id":"2375-round-arcaswiss-bidirectional-plate-clamp-set","title":"2.375\" Round Arca-Swiss Multipurpose Dovetail Plate \u0026 Clamp System","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e \n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e \n    \u003cstrong\u003e2.375\" Round Multipurpose Bidirectional Dovetail Plate and Matching Round Clamp Set\u003c\/strong\u003e \n\u003c\/div\u003e \n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e \n\u003ch1\u003e2.375\" Round Arca-Swiss Multipurpose Dovetail Plate \u0026amp; Clamp System\u003c\/h1\u003e \n\u003cp\u003e\n    This professional-grade 2.375-inch diameter \u003cstrong\u003eArca-Swiss compatible system\u003c\/strong\u003e is the definitive solution for photographers requiring rapid and precise tripod head transitions. By utilizing a matching round dovetail plate and screw-knob clamp, you can convert any ball head or gimbal head into a quick-release component, allowing for instant swaps between multiple tripods, monopods, and sliders.\n\u003c\/p\u003e \n\u003chr\u003e \n\n\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e \n\u003ch2\u003eKey Features \u0026amp; Quick Overview\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePrecision Centering:\u003c\/strong\u003e When the 2.375\" plate and round clamp are combined, the built-in stop pin automatically aligns the dovetail plate center with the clamp center and tripod axis.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eUniversal 2.375\" Diameter:\u003c\/strong\u003e Both components feature a circular profile designed to perfectly contour and support the base of professional tripod heads.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eBidirectional Arca Fit:\u003c\/strong\u003e The multipurpose dovetail plate allows for secure mounting from any direction in any Arca-Swiss style clamp.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Stability:\u003c\/strong\u003e Includes an integrated locating pin to prevent rotation and ensure gear remains rock-solid during use.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eSuperior Clamping Force:\u003c\/strong\u003e The traditional screw-knob clamp design provides maximum security and accepts plates from various manufacturers.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePremium Construction:\u003c\/strong\u003e Precision CNC machined from 6061-T6 aircraft-grade aluminum with a durable black hard-coat anodized finish.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Engineered and manufactured for professional-level reliability.\u003c\/li\u003e \n\u003c\/ul\u003e \n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e \n\u003ch2\u003eHigh-Performance Tripod Head Conversion System\u003c\/h2\u003e \n\u003cp\u003e \n    Streamline your workflow with a \u003cstrong\u003eround Arca-Swiss quick-release system\u003c\/strong\u003e built for technical precision. This set effectively converts your tripod head base into a native quick-release dovetail. Instead of manually threading gear onto different supports, your preferred gimbal or ball head can now slide directly into any Arca-type receiver in seconds.\n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eAdvanced Alignment and Security:\u003c\/strong\u003e This system is specifically engineered to eliminate alignment guesswork. The integrated \u003cstrong\u003elocating pin and stop pin system\u003c\/strong\u003e ensures that your camera gear is perfectly centered along the tripod’s vertical axis—a critical requirement for balanced panoramas and smooth tracking. The clamp features a captive long black knob that stops at its maximum opening, ensuring it is never lost in the field.\n\u003c\/p\u003e \n\n\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e \n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eSystem Diameter:\u003c\/strong\u003e 2.375 Inches (60.3mm)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMount Type:\u003c\/strong\u003e Bidirectional Arca-Swiss Compatible Dovetail\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eClamp Socket:\u003c\/strong\u003e Threaded 3\/8-16 Center Socket\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSecurity:\u003c\/strong\u003e Built-in Locating Pin and Relief Grooves (2.6mm deep)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- ===================== GRAY BANNER ===================== --\u003e \n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e \n    \u003cstrong\u003e2.375\" Round Multipurpose Bidirectional Dovetail Plate and Matching Round Clamp Set\u003c\/strong\u003e \n\u003c\/div\u003e \n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e \n\u003ch1\u003e2.375\" Round Arca-Swiss Multipurpose Dovetail Plate \u0026amp; Clamp System\u003c\/h1\u003e \n\u003cp\u003e\n    This professional-grade 2.375-inch diameter \u003cstrong\u003eArca-Swiss compatible system\u003c\/strong\u003e is the definitive solution for photographers requiring rapid and precise tripod head transitions. By utilizing a matching round dovetail plate and screw-knob clamp, you can convert any ball head or gimbal head into a quick-release component, allowing for instant swaps between multiple tripods, monopods, and sliders.\n\u003c\/p\u003e \n\u003chr\u003e \n\n\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e \n\u003ch2\u003eKey Features \u0026amp; Quick Overview\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePrecision Centering:\u003c\/strong\u003e When the 2.375\" plate and round clamp are combined, the built-in stop pin automatically aligns the dovetail plate center with the clamp center and tripod axis.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eUniversal 2.375\" Diameter:\u003c\/strong\u003e Both components feature a circular profile designed to perfectly contour and support the base of professional tripod heads.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eBidirectional Arca Fit:\u003c\/strong\u003e The multipurpose dovetail plate allows for secure mounting from any direction in any Arca-Swiss style clamp.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Stability:\u003c\/strong\u003e Includes an integrated locating pin to prevent rotation and ensure gear remains rock-solid during use.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eSuperior Clamping Force:\u003c\/strong\u003e The traditional screw-knob clamp design provides maximum security and accepts plates from various manufacturers.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePremium Construction:\u003c\/strong\u003e Precision CNC machined from 6061-T6 aircraft-grade aluminum with a durable black hard-coat anodized finish.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Engineered and manufactured for professional-level reliability.\u003c\/li\u003e \n\u003c\/ul\u003e \n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e \n\u003ch2\u003eHigh-Performance Tripod Head Conversion System\u003c\/h2\u003e \n\u003cp\u003e \n    Streamline your workflow with a \u003cstrong\u003eround Arca-Swiss quick-release system\u003c\/strong\u003e built for technical precision. This set effectively converts your tripod head base into a native quick-release dovetail. Instead of manually threading gear onto different supports, your preferred gimbal or ball head can now slide directly into any Arca-type receiver in seconds.\n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eAdvanced Alignment and Security:\u003c\/strong\u003e This system is specifically engineered to eliminate alignment guesswork. The integrated \u003cstrong\u003elocating pin and stop pin system\u003c\/strong\u003e ensures that your camera gear is perfectly centered along the tripod’s vertical axis—a critical requirement for balanced panoramas and smooth tracking. The clamp features a captive long black knob that stops at its maximum opening, ensuring it is never lost in the field.\n\u003c\/p\u003e \n\n\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e \n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eSystem Diameter:\u003c\/strong\u003e 2.375 Inches (60.3mm)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMount Type:\u003c\/strong\u003e Bidirectional Arca-Swiss Compatible Dovetail\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eClamp Socket:\u003c\/strong\u003e Threaded 3\/8-16 Center Socket\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSecurity:\u003c\/strong\u003e Built-in Locating Pin and Relief Grooves (2.6mm deep)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701603172457,"sku":"H131-2375AP-FR2375","price":109.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/FR-2375-7.jpg?v=1793752405"},{"product_id":"2625-round-arcaswiss-multipurpose-plate-clamp-set","title":"2.625\" Round Arca-Swiss Multipurpose Dovetail Plate \u0026 Clamp System","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e\n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e\n\t\u003cstrong\u003e2.625\" Round Multipurpose Bidirectional Dovetail Plate \u0026amp; Matching Round Clamp Set\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e\n\u003ch1\u003e2.625\" Round Arca-Swiss Multipurpose Dovetail Plate \u0026amp; Clamp System\u003c\/h1\u003e\n\u003cp\u003e\n    This professional 2.625-inch \n\t\u003cstrong\u003eArca-Swiss compatible system\u003c\/strong\u003e offers a complete solution for rapid tripod head mounting and precise alignment. The set includes a bidirectional round dovetail plate and a matching high-force screw-knob clamp, allowing photographers to convert any ball head or gimbal base into a modular quick-release component.\n\u003c\/p\u003e\n\u003chr\u003e\n\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e\n\u003ch2\u003eKey Features \u0026amp; Quick Overview\u003c\/h2\u003e\n\u003cul\u003e\n\t\u003cli\u003e\n\u003cstrong\u003ePrecision Centering:\u003c\/strong\u003e When combined, the built-in stop pin system aligns the plate center perfectly with the clamp and tripod axes for optimal balance.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eUniversal 2.625\" Diameter:\u003c\/strong\u003e Circular profile designed to contour the base of professional ball heads and gimbals for a seamless, stable fit.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eBidirectional Dovetail:\u003c\/strong\u003e Multipurpose design allows for secure mounting from any orientation in any Arca-Swiss style clamp.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eAnti-Twist Stability:\u003c\/strong\u003e Includes an integrated locating pin to prevent equipment rotation and ensure a rock-solid connection.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eSuperior Clamping Force:\u003c\/strong\u003e Traditional screw-knob clamp provides maximum security and remains compatible with plates from multiple manufacturers.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eProfessional Construction:\u003c\/strong\u003e Precision CNC machined from solid 6061-T6 aircraft aluminum with a black hard-coat anodized finish.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eAmerican Made:\u003c\/strong\u003e Engineered for professional durability and lifelong reliability in the USA.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e\n\u003ch2\u003eProfessional Tripod Head Quick Release Conversion Kit\u003c\/h2\u003e\n\u003cp\u003e\n    Streamline your field workflow with a \n\t\u003cstrong\u003eround Arca-Swiss system\u003c\/strong\u003e designed for speed and technical accuracy. This multipurpose kit allows you to mount your tripod head to any Arca-style clamp, facilitating instant transitions between multiple tripods, monopods, and sliders. The 2.625-inch plate is engineered to contour the base of your gear perfectly, providing a lower profile and more stable platform than standard rectangular plates.\n\u003c\/p\u003e\n\u003cp\u003e\n\t\u003cstrong\u003eAdvanced Alignment and Security:\u003c\/strong\u003e This plate features an integrated locating pin engineered to eliminate guesswork. When paired with compatible clamps—including the FR 2.375, FR 2.625, F63, F363, or FH131 series—the built-in stop pin automatically aligns the center of your dovetail plate with the clamp center and tripod axis. The clamp features a captive long black knob that stops at its maximum opening, ensuring it is never lost during outdoor shoots.\n\u003c\/p\u003e\n\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eSystem Diameter:\u003c\/strong\u003e 2.625 Inches (66.7mm)\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003ePlate Thickness:\u003c\/strong\u003e 0.45 Inch\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003ePlate Weight:\u003c\/strong\u003e 3.1 oz (88g)\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eMount Type:\u003c\/strong\u003e Bidirectional Arca-Swiss Compatible\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eClamp Socket:\u003c\/strong\u003e Threaded 3\/8-16 Center Socket\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eSecurity Features:\u003c\/strong\u003e Integrated Locating Pin and 2.6mm Relief Grooves\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701603270761,"sku":"H131-2625AP-FR2625","price":109.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/FR2375_H131-AP_002.jpg?v=1793669126"},{"product_id":"hyejnsr-photo-spacer-block-1-4-inch-6-35mm","title":"1\/4 Spacer Block (6.35mm)","description":"\u003c!-- Gray Banner Header --\u003e\n\u003cdiv style=\"background:#e5e5e5; padding:12px 15px; margin-bottom:18px;\"\u003e \n    \u003cstrong\u003e1\/4\" Arca-Swiss Compatible Spacer Block (6.35mm) | Professional Rail Clearance Solution\u003c\/strong\u003e \n\u003c\/div\u003e\n\n\u003c!-- Main Product Title \u0026 Overview --\u003e\n\u003ch1\u003e1\/4\" Spacer Block (6.35mm)\u003c\/h1\u003e\n\u003cp\u003e\n    This precision-machined \u003cstrong\u003e1\/4-inch spacer block\u003c\/strong\u003e (6.35mm) is an essential accessory for photographers using complex rail systems. Designed to raise any Arca-Swiss compatible clamp above a nodal or multi-purpose rail, it provides the necessary clearance to ensure your support equipment doesn't interfere with your shot.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- Quick Overview Section --\u003e\n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e\n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eEnhanced Field of View:\u003c\/strong\u003e Effectively raises your camera and clamp by 1\/4 inch, a critical adjustment when using short lenses to prevent the end of a long rail from becoming visible in your viewfinder.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePrecision Anti-Twist Design:\u003c\/strong\u003e Equipped with two dowel pin holes and includes 5mm dowel pins to ensure a rock-solid, twist-free connection between the clamp and the rail.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Seamlessly integrates with various clamps and nodal rails, including models such as E033, E034, E038, and E039.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eProfessional Safety Engineering:\u003c\/strong\u003e All corners and edges are radiused and fully rounded to prevent accidental injuries or damage to other sensitive gear.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePremium Materials:\u003c\/strong\u003e Precision CNC-machined from solid 6061-T6 aircraft-grade aluminum for lifelong durability.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eDurable Finish:\u003c\/strong\u003e Features a black hard-coat anodized surface for superior scratch and corrosion protection.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured to professional tolerances for unyielding reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- Detailed Product Description --\u003e\n\u003ch2\u003eEssential Clearance for Short Lens Photography\u003c\/h2\u003e \n\u003cp\u003e \n    The 1\/4\" spacer block is a highly effective \"problem-solver\" for photographers who frequently switch between short and long focal length lenses on the same rail system. When using wide-angle or short lenses, the forward projection of a standard nodal rail can often appear in the bottom of the frame. By \"Raising the clamp just a bit,\" this spacer lifts the camera's optical axis just enough to clear the equipment, ensuring a clean, unobstructed composition.\n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eTechnical Integrity and Stability:\u003c\/strong\u003e Despite its compact size, this spacer is built for the rigors of professional field use. The inclusion of two dowel pins provides a critical registration point that prevents the clamp from rotating under the weight of heavy camera bodies or during high-torque adjustments. Whether you are building a macro stacking rig or a precise panoramic setup, this spacer provides the structural integrity and precision required for advanced technical work.\n\u003c\/p\u003e\n\n\u003c!-- Technical Specifications --\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eThickness\/Height:\u003c\/strong\u003e 1\/4 Inch (6.35mm)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 1.00 Inch\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 0.50 Inches\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Two holes with 5mm dowel pins included\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Anodized\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701623324777,"sku":"Spacer-Block-1-4","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/Clamp_Spacer.jpg?v=1793755730"},{"product_id":"hejnar-photo-11mm-spacer-block-riser","title":"11mm Spacer Block","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e \n\u003cdiv style=\"background:#e5e5e5; padding:12px 15px; margin-bottom:18px;\"\u003e \n    \u003cstrong\u003e11mm Spacer Block | Professional Riser for Clamps and Rails\u003c\/strong\u003e \n\u003c\/div\u003e \n\n\u003c!-- ===================== MAIN HEADER ===================== --\u003e \n\u003ch1\u003e11mm Spacer Block\u003c\/h1\u003e \n\u003cp\u003e \n    This precision-machined \u003cstrong\u003e11mm spacer block\u003c\/strong\u003e is a specialized riser designed to elevate an Arca-Swiss compatible clamp above a rail. By providing this critical added height, the spacer ensures that your support equipment does not interfere with your camera's field of view, particularly when utilizing short focal length lenses.\n\u003c\/p\u003e \n\n\u003chr\u003e \n\n\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e \n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eClear Field of View:\u003c\/strong\u003e Effectively raises any clamp by 11mm, preventing the end of a long nodal rail from becoming visible in the viewfinder when a wide-angle or short lens is used.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePrecision Anti-Twist Design:\u003c\/strong\u003e Features two dowel pin holes for use with metal dowel pins, ensuring a rock-solid, twist-free connection between the clamp and the rail.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eVersatile Compatibility:\u003c\/strong\u003e Designed for seamless use with various rails—including models E033, E034, E038, and E039—and compatible with clamps from major manufacturers such as RRS, Kirk, and Wimberley.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eProfessional Safety Engineering:\u003c\/strong\u003e All corners and edges are fully radiused and rounded to prevent accidental damage to your gear or hands.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePremium Construction:\u003c\/strong\u003e Precision CNC-machined from solid 6061-T6 aircraft-grade aluminum for maximum rigidity and lifelong durability.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eDurable Finish:\u003c\/strong\u003e Features a black hard-coat anodized surface for superior scratch and corrosion protection.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured to professional tolerances for unyielding reliability.\u003c\/li\u003e \n\u003c\/ul\u003e \n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e \n\u003ch2\u003eEssential Riser Solution for Rail Systems\u003c\/h2\u003e \n\u003cp\u003e \n    The 11mm spacer block is a highly effective \"problem-solver\" for photographers who frequently alternate between short and long focal length lenses on the same rail system. While the spacer itself is not an Arca-Swiss component, it acts as a critical interface that lifts the clamp just enough to clear the equipment's physical profile, ensuring a clean, unobstructed composition.\n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eTechnical Integrity and Stability:\u003c\/strong\u003e Built for the rigors of professional field use, the integrated dowel pin holes provide a vital registration point that prevents the clamp from rotating under the weight of heavy camera bodies. Recent configurations also make this an ideal spacer for use with Metabones adapters and L-brackets where additional height is required for proper clearance on tripod heads.\n\u003c\/p\u003e \n\n\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e \n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eThickness\/Height:\u003c\/strong\u003e 11mm (0.437 inches)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 1.00 inch\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 0.50 inches\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMounting Hardware:\u003c\/strong\u003e Typically includes 1\/4\"-20 flat head screws and 5\/32\" hex wrench\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAlignment:\u003c\/strong\u003e Two dowel pin holes for anti-twist registration\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e \n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701623357545,"sku":"Spacer-Block-11mm","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/Clamp_Spacer-2.jpg?v=1793753679"},{"product_id":"hejnar-photo-3-8-inch-spacer-block-9-525mm","title":"3\/8 Spacer Block (9.525mm)","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e \n\u003cdiv style=\"background:#e5e5e5; padding:12px 15px; margin-bottom:18px;\"\u003e \n    \u003cstrong\u003e3\/8\" Spacer Block (9.525mm) | Professional Riser for Clamps and Rails\u003c\/strong\u003e \n\u003c\/div\u003e \n\n\u003c!-- ===================== MAIN HEADER ===================== --\u003e \n\u003ch1\u003e3\/8\" Spacer Block (9.525mm)\u003c\/h1\u003e \n\u003cp\u003e \n    This precision-machined \u003cstrong\u003e3\/8-inch spacer block\u003c\/strong\u003e (9.525mm) is a specialized riser designed to elevate any clamp above a rail. By providing this critical added height, the spacer ensures that your support equipment does not interfere with your camera's field of view, particularly when switching between short and long focal length lenses.\n\u003c\/p\u003e \n\n\u003chr\u003e \n\n\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e \n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eClear Field of View:\u003c\/strong\u003e Effectively raises the clamp just enough to ensure that the end of a long rail is no longer visible in the viewfinder when a short lens is used.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePrecision Anti-Twist Design:\u003c\/strong\u003e Includes integrated holes for alignment pins and screws to ensure a secure, anti-twist mounting between the rail and the clamp.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eVersatile Compatibility:\u003c\/strong\u003e While primarily used to increase vertical height, these blocks are essential for customizing panorama setups and long lens support systems.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eProfessional Safety Engineering:\u003c\/strong\u003e Features a design where all corners and edges are fully rounded to prevent accidental damage to gear or injury in the field.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePremium Construction:\u003c\/strong\u003e Precision CNC-machined from solid 6061-T6 aircraft-grade aluminum for maximum rigidity.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eDurable Finish:\u003c\/strong\u003e Features a black hard-coat anodized surface for superior scratch and corrosion protection.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured to exacting professional tolerances for lifelong reliability.\u003c\/li\u003e \n\u003c\/ul\u003e \n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e \n\u003ch2\u003eEssential Riser Solution for Rail Systems\u003c\/h2\u003e \n\u003cp\u003e \n    The 3\/8\" spacer block is a highly effective \"problem-solver\" for photographers who frequently alternate between gear configurations on the same rail system. Often, when a short lens is used along with a longer rail, the physical profile of the rail can appear in your shot. Raising the clamp just a bit with this block effectively fixes this problem, ensuring a clean, unobstructed composition.\n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eTechnical Integrity and Stability:\u003c\/strong\u003e Despite its compact size, this spacer is built for the rigors of professional field use. The integrated alignment features provide a vital registration point that prevents the clamp from rotating under the weight of heavy camera bodies or during high-torque adjustments. Whether you are building a macro stacking rig or a precise panoramic setup, this spacer provides the structural integrity and precision required for advanced technical work.\n\u003c\/p\u003e \n\n\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e \n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eThickness\/Height:\u003c\/strong\u003e 3\/8 Inch (9.525mm)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 1.00 Inch\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 0.50 Inches\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e \n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701623390313,"sku":"Spacer-Block-3-8","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/Clamp_Spacer-2.jpg?v=1793753679"},{"product_id":"9-16-inch-spacer-block-14-29mm-riser","title":"9\/16 Spacer Block (14.29mm)","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e \n\u003cdiv style=\"background:#e5e5e5; padding:12px 15px; margin-bottom:18px;\"\u003e \n    \u003cstrong\u003e9\/16\" Spacer Block (14.29mm) | Professional Riser for Clamps and Rails\u003c\/strong\u003e \n\u003c\/div\u003e \n\n\u003c!-- ===================== MAIN HEADER ===================== --\u003e \n\u003ch1\u003e9\/16\" Spacer Block (14.29mm)\u003c\/h1\u003e \n\u003cp\u003e \n    This precision-machined \u003cstrong\u003e9\/16-inch spacer block\u003c\/strong\u003e (14.29mm) is a specialized riser designed to elevate any clamp above a rail. By providing this critical added height, the spacer ensures that your support equipment does not interfere with your camera's field of view, particularly when switching between short and long focal length lenses.\n\u003c\/p\u003e \n\n\u003chr\u003e \n\n\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e \n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eClear Field of View:\u003c\/strong\u003e Effectively raises the clamp just enough to ensure that the end of a long rail is no longer visible in the viewfinder when a short lens is used.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePrecision Anti-Twist Design:\u003c\/strong\u003e Includes two integrated dowel pin holes to ensure a secure, anti-twist mounting between the rail and the clamp.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eVersatile Compatibility:\u003c\/strong\u003e Essential for customizing panorama setups and long lens support systems; used with various clamps and rails including models E033, E034, E038, and E039.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eProfessional Safety Engineering:\u003c\/strong\u003e Features a design where all corners and edges are fully rounded to prevent accidental damage to gear or injury in the field.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePremium Construction:\u003c\/strong\u003e Precision CNC-machined from solid 6061-T6 aircraft-grade aluminum for maximum rigidity.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eDurable Finish:\u003c\/strong\u003e Features a black hard-coat anodized surface for superior scratch and corrosion protection.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured to exacting professional tolerances for lifelong reliability.\u003c\/li\u003e \n\u003c\/ul\u003e \n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e \n\u003ch2\u003eEssential Riser Solution for Rail Systems\u003c\/h2\u003e \n\u003cp\u003e \n    The 9\/16\" spacer block is a highly effective \"problem-solver\" for photographers who frequently alternate between gear configurations on the same rail system. Often, when a short lens is used along with a longer rail, the physical profile of the rail can appear in your shot. Raising the clamp just a bit with this block effectively fixes this problem, ensuring a clean, unobstructed composition.\n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eTechnical Integrity and Stability:\u003c\/strong\u003e Despite its compact size, this spacer is built for the rigors of professional field use. The integrated alignment features provide a vital registration point that prevents the clamp from rotating under the weight of heavy camera bodies or during high-torque adjustments. Whether you are building a macro stacking rig or a precise panoramic setup, this spacer provides the structural integrity and precision required for advanced technical work.\n\u003c\/p\u003e \n\n\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e \n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eThickness\/Height:\u003c\/strong\u003e 9\/16 Inch (14.29mm)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 1.00 Inch\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 0.50 Inches\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Two dowel pin holes\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e \n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701623423081,"sku":"Spacer-Block-9-16","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/Clamp_Spacer-2-2.jpg?v=1793836044"},{"product_id":"4-80-arca-swiss-compatible-quick-release-clamp-45mm-spaced-mounts-copy","title":"4.80\" Arca-Swiss Compatible Quick Release Clamp | 45mm Spaced Mounts","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e\n\u003cdiv style=\"background: #e5e5e5; padding: 12px 15px; margin-bottom: 18px;\"\u003e\u003cstrong\u003e4.00 Inch Arca-Swiss Compatible Quick Release Clamp | 45mm Spaced 1\/4-20 Holes\u003c\/strong\u003e\u003c\/div\u003e\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e\n\u003ch1\u003e4.00\" Arca-Swiss Compatible Quick Release Clamp | 45mm Spaced Mounts\u003c\/h1\u003e\n\u003cp\u003eThe 4.00-inch jaw length \u003cstrong\u003eArca-Swiss compatible clamp\u003c\/strong\u003e is a precision-engineered mounting solution designed for photographers who require absolute security for telephoto lenses and modular camera rigs. Featuring a high-force \u003cstrong\u003elong silver knob\u003c\/strong\u003e and a versatile mounting interface, this clamp delivers superior stability and flexibility for high-end tripod and monopod systems.\u003c\/p\u003e\n\u003chr\u003e\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e\n\u003ch2\u003eKey Features \u0026amp; Quick Overview\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended 4.80\" Jaws:\u003c\/strong\u003e Provides an expansive surface area for maximum contact and grip with professional Arca-type plates and rails.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Mounting Interface:\u003c\/strong\u003e Center socket is countersunk on top for 1\/4-20 or M6 screws and is also natively threaded for 3\/8-16 studs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Dual Mounts:\u003c\/strong\u003e Two outside holes are tapped 1\/4-20 and spaced exactly 45mm apart for specialized multi-point attachments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Relief Grooves:\u003c\/strong\u003e 2.6mm deep relief grooves ensure compatibility with Arca-type plates featuring safety stops, preventing gear \"free fall\" if the clamp is partially open.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTongue-in-Pocket Design:\u003c\/strong\u003e Internal mechanism protects moving parts from dust and grit while keeping the jaws perfectly aligned to eliminate unwanted bending forces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaptive Silver Knob:\u003c\/strong\u003e High-leverage long silver knob is captive and stops at maximum opening, ensuring it cannot be lost in the field.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnti-Twist Integration:\u003c\/strong\u003e The back side features a dedicated groove to match professional ball head connections and prevent rotation during use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e\n\u003ch2\u003eProfessional Arca-Type Quick Release Solution\u003c\/h2\u003e\n\u003cp\u003eUpgrade your camera support gear with a \u003cstrong\u003eprofessional Arca-Swiss clamp\u003c\/strong\u003e built for the most demanding technical environments. Precision CNC machined from aircraft-grade 6061-T6 aluminum, this 4.00-inch clamp offers the rock-solid connection required for long-lens shooting and macro setups. Its \"Micro-Vise\" design ensures a tenacious, twist-free grip on any compatible plate from major brands like RRS, Kirk, Wimberley, and Markins.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAdvanced Safety and Field Reliability:\u003c\/strong\u003e This clamp is engineered for total system interoperability and maximum field reliability. The integrated 2.6mm deep safety relief grooves serve as a critical fail-safe against accidental gear drops, while the captive hardware ensures you are never stranded on a location shoot due to a missing knob. Finished in a durable black hard-coat anodize, this high-performance clamp is built to provide years of professional service.\u003c\/p\u003e\n\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eJaw Length:\u003c\/strong\u003e 4.80 Inches (\u003cspan\u003eapprox. 122mm\u003c\/span\u003e)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Holes:\u003c\/strong\u003e Two 1\/4-20 tapped holes (45mm spacing)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCenter Threading:\u003c\/strong\u003e Threaded 3\/8-16 and countersunk for M6\/1\/4-20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKnob Type:\u003c\/strong\u003e Long Silver (Captive Design)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelief Groove Depth:\u003c\/strong\u003e 2.6mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67715087335529,"sku":"F66-45","price":85.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/0001_F66.jpg?v=1792269851"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/collections\/F63_003.jpg?v=1793715503","url":"https:\/\/www.hejnarphotostore.com\/collections\/clamps.oembed?page=4","provider":"Hejnar Photo","version":"1.0","type":"link"}