{"product_id":"2-375-arca-swiss-clamp-long-black-knob-30mm-hex","title":"2.375\" Arca-Swiss Compatible Quick Release Clamp | Long Black Knob","description":"\u003c!-- Gray Banner Header --\u003e\n\u003cdiv style=\"background:#e5e5e5; padding:12px 15px; margin-bottom:18px;\"\u003e \n    \u003cstrong\u003e2.375 Inch Arca-Swiss Compatible Quick Release Clamp | Long Black Hex-Ready Knob \u0026amp; 30mm Spacing\u003c\/strong\u003e \n\u003c\/div\u003e\n\n\u003c!-- Main Product Title \u0026 Overview --\u003e\n\u003ch1\u003e2.375\" Arca-Swiss Compatible Quick Release Clamp | Long Black Knob\u003c\/h1\u003e\n\u003cp\u003e\n    The 2.375-inch jaw length \u003cstrong\u003eArca-Swiss compatible clamp\u003c\/strong\u003e is a precision-engineered mounting solution designed for maximum versatility and field reliability. This model features a specialized \u003cstrong\u003elong black captive knob\u003c\/strong\u003e with an integrated 5mm hex wrench port for high-torque tightening and a low-profile design that allows for mounting on flat surfaces without knob interference.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- Key Features Section --\u003e\n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e\n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eDual-Drive Long Black Knob:\u003c\/strong\u003e The ergonomic long knob includes an internal socket for a 5mm hex wrench, allowing for extra security or operation in tight spaces.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFlat Surface Compatibility:\u003c\/strong\u003e Engineered so the knob does not interfere with the mounting plane, allowing the clamp to be bolted directly to flat plates or custom rails.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCompact 2.375\" Jaw Length:\u003c\/strong\u003e An ideal size for ball heads and travel tripods, providing a secure, high-tension grip without excessive weight.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCaptive Safety Mechanism:\u003c\/strong\u003e The knob stops at its maximum opening position, ensuring it cannot be backed out or lost while working in the field.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePrecision Dual Mounts:\u003c\/strong\u003e Includes two outside 1\/4-20 tapped holes spaced exactly 30mm apart for specialized multi-point or anti-twist attachments.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVersatile Mounting Interface:\u003c\/strong\u003e Center socket is countersunk on top for 1\/4-20 or M6 screws and is also natively threaded for standard 3\/8-16 studs.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eSafety Relief Grooves:\u003c\/strong\u003e 2.6mm deep relief grooves guarantee compatibility with Arca-type plates featuring safety stops, preventing gear \"free fall\" if the clamp is partially open.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Integration:\u003c\/strong\u003e The rear side features a dedicated registration groove to match professional ball head connections, effectively eliminating unwanted rotation during use.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePremium Materials:\u003c\/strong\u003e Precision CNC-machined from solid 6061-T6 aircraft-grade aluminum with a durable black hard-coat anodized finish.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured to professional tolerances for lifelong reliability.\u003c\/li\u003e \n\u003c\/ul\u003e\n\n\u003c!-- Detailed Description --\u003e\n\u003ch2\u003eProfessional Arca-Type Quick Release Solution\u003c\/h2\u003e \n\u003cp\u003e \n    Upgrade your camera support gear with a \u003cstrong\u003eprofessional Arca-style clamp\u003c\/strong\u003e built for technical precision. The \"Micro-Vise\" design ensures a tenacious, twist-free grip on any compatible plate from leading brands like RRS, Kirk, Wimberley, and Markins. The unique ability to use a 5mm hex wrench on the knob makes this clamp a favorite for permanent installations or setups where extra leverage is required.\n\u003c\/p\u003e \n\u003cp\u003e \n    \u003cstrong\u003eAdvanced Safety and Field Reliability:\u003c\/strong\u003e Built for the rigors of professional use, the 2.6mm deep relief grooves serve as a critical fail-safe against accidental gear drops. The back of the clamp includes a registration channel designed to mate securely with common ball head posts, eliminating the shifting common with heavy camera setups or vertical shooting. 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\u003eKnob Type:\u003c\/strong\u003e Long Black Captive (5mm Hex Wrench Compatible)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMounting Compatibility:\u003c\/strong\u003e Flat Surface Flush Mount\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":67701596881001,"sku":"F162b","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/F162b-2.jpg?v=1792110941","url":"https:\/\/www.hejnarphotostore.com\/products\/2-375-arca-swiss-clamp-long-black-knob-30mm-hex","provider":"Hejnar Photo","version":"1.0","type":"link"}