Compact and strong aluminum alloy body with screw knob, the quick release clamp provides comfortable experience of loading and unloading the quick release plate, which will get you out from the trouble of frequent screw. Features: The quick release clamp is created for AS quick release plate and 1/4 inch screw tripod, ball head, etc. Aluminum alloy material has high strength and is not easy to deform. Modern anodization and CNC machine processing techniques for better visual effect. The fine scale on the edge enables precise adjustment of tightness for quick release plate. Compatible with Arca-Swiss Standard, the clamp suits a wide range of quick release plates, such as RRS, Markins, Sirui, etc. Specifications: Material: Aluminium alloy Color: Black Mounting Screw: 1/4 inch hole Package Size: 6.5 * 5 * 3.5cm / 2.6 * 2 * 1.4in Package Weight: 73g / 2.6oz Package List: 1 * Quick Release Clamp