pecification: Color: Black/Gray Material: Aluminum alloy Screw type: 1/4"-20 Size: approx. 80*38*10mm/3.15*1.49*0.39inch Installable cable diameter: 1-7mm Note: Camera and other accessories are NOT included Package Included: 1* Quick Release Plate The TONHOKJ Cable Clamp Quick Release Plate protects your camera's most fragile ports during tethered shooting — the professional's solution for keeping HDMI and USB data cables securely connected while you shoot directly into your computer. Designed for the studio workflow: clamp the plate into any standard Arca-Swiss tripod head, lock your camera on with the 1/4"-20 screw, then route your HDMI or USB cable through the multi-position slots (fits 1-7mm cables) to relieve strain on the port. No more intermittent disconnections that interrupt tethered sessions and no more expensive port repairs from cable accidents. CNC-machined from aerospace-grade aluminum alloy with a hard anodized surface, it's scratch-resistant, corrosion-resistant, and lightweight at just 58 grams. Specifications: aluminum alloy body, 1/4"-20 screw, fits 1-7mm cables, 80 × 38 × 10 mm. Package includes 1× quick release plate and 1× fastening screw. Camera and data cable not included.