{"title":"Clamps Standard","description":"\u003cp\u003evolusion Link\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. 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.\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 3.25 Inches (82.5mm)\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\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":67645963599977,"sku":"F363","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/0001_F636.jpg?v=1791856503"},{"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":"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. Whether you are building a custom macro rig or adding a quick-release point to a gimbal accessory, the F61-1b offers the structural integrity and technical excellence required for precise 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 Mini Knob (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":67701597306985,"sku":"F61-1b","price":50.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/F61-1b-2.jpg?v=1792110962"},{"product_id":"f61-2b-1-5-inch-arca-type-clamp-3-strap-loops","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\u003eF61-2b | 1.50\" Arca-Type Quick Release Clamp with Bottom Dovetail \u0026amp; 3 Strap Loops\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    The \u003cstrong\u003eF61-2b\u003c\/strong\u003e is a precision-engineered 1.50-inch Arca-type clamp designed for maximum modularity and field efficiency. 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":"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":"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-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. This clamp delivers the structural integrity and precision required for advanced macro, landscape, and 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\u003eLeveling:\u003c\/strong\u003e Integrated Bubble Level\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\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 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\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701598158953,"sku":"F72","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/F72-2.jpg?v=1792111002"},{"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":"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":"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":"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"},{"product_id":"4-80-arca-swiss-compatible-quick-release-clamp-45mm-spaced-mounts","title":"4.80\" Arca-Swiss Compatible Quick Release Clamp | 50mm 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 50mm 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 (50mm 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":67715093299305,"sku":"F66","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"},{"product_id":"4-80-arca-swiss-compatible-quick-release-clamp-50mm-spaced-mounts-copy","title":"4.80\" Arca-Swiss Compatible Quick Release Clamp | 35mm Spaced 3\/8-16 Holes","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\u003e4.80\" Arca-Swiss Compatible Quick Release Clamp | 45mm Spaced Mounts\u003c\/h1\u003e\n\u003cp\u003eThe 4.80-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 3\/8-16 and spaced exactly 35mm 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 Three 3\/8-16 tapped holes (35mm 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":67715292430441,"sku":"F67","price":85.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/0001_F67-1.jpg?v=1792286804"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/collections\/F63b-3.jpg?v=1792631690","url":"https:\/\/www.hejnarphotostore.com\/collections\/standard-clamps-1.oembed","provider":"Hejnar Photo","version":"1.0","type":"link"}