{"product_id":"2625-round-arcaswiss-compatible-screw-knob-clamp","title":"2.625\" Round Arca-Swiss Compatible Quick Release Clamp","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e \n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e \n    \u003cstrong\u003e2.625\" Round Arca-Swiss Compatible Clamp | High-Force Screw-Knob Design\u003c\/strong\u003e \n\u003c\/div\u003e \n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e \n\u003ch1\u003e2.625\" Round Arca-Swiss Compatible Quick Release Clamp\u003c\/h1\u003e \n\u003cp\u003e\n    This precision-engineered \u003cstrong\u003eArca-Swiss compatible clamp\u003c\/strong\u003e features a 2.625-inch diameter, providing a wide and stable mounting platform for professional photography gear. Designed with a traditional screw-knob mechanism, it delivers superior clamping force and maximum security for ball heads, gimbal heads, and custom camera rigs.\n\u003c\/p\u003e \n\u003chr\u003e \n\n\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e \n\u003ch2\u003eKey Features \u0026amp; Quick Overview\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eHigh-Force Screw-Knob:\u003c\/strong\u003e Traditional design provides greater clamping pressure than lever clamps and adjusts to accommodate plates from various manufacturers.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eLong Black Knob:\u003c\/strong\u003e Ergonomic oversized knob ensures easy operation and maximum leverage, even when wearing gloves.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eSafety Relief Grooves:\u003c\/strong\u003e 2.6mm deep relief grooves ensure compatibility with most Arca-type plates and rails featuring safety stops, preventing gear from sliding out if the clamp is partially open.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCaptive Hardware:\u003c\/strong\u003e The knob is captive and stops at its maximum opening, ensuring it cannot be lost in the field during gear changes.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eUniversal Mounting:\u003c\/strong\u003e The center socket is threaded 3\/8-16 for direct mounting to standard tripod and monopod studs.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Design:\u003c\/strong\u003e The back side features a dedicated groove to match ball head connections, preventing the clamp from twisting during use.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePremium Materials:\u003c\/strong\u003e Precision C.N.C. machined from 6061-T6 aircraft-grade aluminum for lifelong durability.\u003c\/li\u003e \n\u003c\/ul\u003e \n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e \n\u003ch2\u003eProfessional Grade Arca-Type Quick Release Solution\u003c\/h2\u003e \n\u003cp\u003e \n    Upgrade your camera support system with a \u003cstrong\u003eround Arca-Swiss compatible clamp\u003c\/strong\u003e built for the most demanding environments. The 2.625-inch diameter offers an expansive surface area that perfectly contours larger tripod head bases, ensuring a rock-solid, vibration-free connection. \n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eSafety and Field Reliability:\u003c\/strong\u003e This clamp is engineered with safety as a priority. The integrated 2.6mm relief grooves act as a fail-safe, catching the safety-stop screws found on high-end plates and rails. The screw-knob design is widely preferred by professionals for its ability to \"fine-tune\" the grip, making it compatible with Arca-style accessories from RRS, Kirk, Wimberley, and Markins. \n\u003c\/p\u003e \n\n\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e \n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 2.625 Inches (66.7mm)\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eKnob Style:\u003c\/strong\u003e Long Black (Captive)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCenter Thread:\u003c\/strong\u003e 3\/8-16 Threaded Socket\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eRelief Groove Depth:\u003c\/strong\u003e 2.6mm\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 6061-T6 Aluminum\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard-Coat Anodized\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701598978153,"sku":"FR2625","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/FR2625-2.jpg?v=1792111037","url":"https:\/\/www.hejnarphotostore.com\/products\/2625-round-arcaswiss-compatible-screw-knob-clamp","provider":"Hejnar Photo","version":"1.0","type":"link"}