{"title":"Clamps 3.25 inch","description":"\u003cp\u003ePrecision-engineered Arca-Swiss compatible clamps in the 3.25\" size. Handmade for photographers who demand accuracy and reliability.\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":"3-25-inch-arca-type-clamp-long-black-hex-knob","title":"3.25\" Arca-Swiss Compatible Quick Release Clamp | Long Black Hex 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 Hex 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 Hex Knob\u003c\/h1\u003e\n\u003cp\u003e\n    The 3.25-inch jaw length \u003cstrong\u003eArca-Swiss compatible clamp\u003c\/strong\u003e is a versatile mounting solution engineered for maximum torque and precision. Featuring a \u003cstrong\u003elong black captive knob\u003c\/strong\u003e with an integrated 5mm hex wrench socket, this clamp allows for extreme tightening force while maintaining a low-profile footprint that won't interfere with flat mounting surfaces.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e\n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDual-Drive Long Black Knob:\u003c\/strong\u003e Ergonomic knob design includes a 5mm hex wrench socket for added leverage and security.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSurface Clearance Design:\u003c\/strong\u003e Specifically engineered to be mounted on flat surfaces without the knob interfering with the mounting plane.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e3.25\" Jaw Length:\u003c\/strong\u003e Provides an ideal balance of surface contact and compact design for professional Arca-type plates and rails.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVersatile Mounting Interface:\u003c\/strong\u003e Center socket is countersunk on top for 1\/4-20 or M6 screws and is natively threaded for 3\/8-16 studs.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePrecision Dual Mounts:\u003c\/strong\u003e Includes two outside 1\/4-20 tapped holes spaced exactly 45mm apart for specialized multi-point attachments.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSafety Relief Grooves:\u003c\/strong\u003e 2.6mm deep relief grooves prevent gear \"free fall\" by catching safety stops on Arca-type plates if the clamp is partially open.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Integration:\u003c\/strong\u003e The rear side features a dedicated groove designed to match professional ball head connections, effectively preventing unwanted rotation.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eField-Safe Hardware:\u003c\/strong\u003e The knob is fully captive, meaning it stops at maximum opening and cannot be lost or dropped in the field.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e\n\u003ch2\u003eProfessional Arca-Type Quick Release Solution\u003c\/h2\u003e\n\u003cp\u003e\n    This 3.25-inch quick release clamp is built for the rigors of technical photography, from macro focus stacking to long-exposure landscape work. Precision CNC-machined from aircraft-grade 6061-T6 aluminum and finished with a durable hard-coat anodize, it delivers a tenacious, twist-free grip on compatible plates from major brands like RRS, Kirk, Wimberley, and Markins.\n\u003c\/p\u003e\n\u003cp\u003e\n    \u003cstrong\u003eAdvanced Torque and Reliability:\u003c\/strong\u003e The inclusion of a 5mm hex socket in the knob allows photographers to use a wrench for an extra-secure lock, providing peace of mind when supporting heavy telephoto lenses or complex modular rigs. Combined with integrated safety relief paths and an anti-twist rear channel, this clamp ensures your gear remains stable and protected in any orientation. Proudly made in the USA to professional-grade tolerances.\n\u003c\/p\u003e\n\n\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eJaw Length:\u003c\/strong\u003e 3.25 Inches (82.55mm)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eKnob Type:\u003c\/strong\u003e Long Black with 5mm Hex Socket (Captive Design)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMounting Holes:\u003c\/strong\u003e Two 1\/4-20 tapped holes (45mm spacing)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCenter Threading:\u003c\/strong\u003e Threaded 3\/8-16 and countersunk for M6\/1\/4-20\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRelief Groove Depth:\u003c\/strong\u003e 2.6mm\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC Machined 6061-T6 Aluminum\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701596913769,"sku":"F163b","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/F163b-2.jpg?v=1792110943"},{"product_id":"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":"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"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/collections\/F63_002.jpg?v=1792270707","url":"https:\/\/www.hejnarphotostore.com\/collections\/clamps-3-25-inch.oembed","provider":"Hejnar Photo","version":"1.0","type":"link"}