Description: All metal materials, integrated design, CNC precision machining, surface anode anti-oxidation treatment. Install the safety screw on the side to prevent accidental dropping of the camera. AS standard interface, compatible with: for Arca-Swiss, RRS, Wimberley, Markins, Sunwayfoto, KangRinpoche, Si Rui, Benro etc. Standard 1/4 screw tripod mount, comes with an allen key. Anti-slip mat makes it more perfecte with the camera, easy to install. Specification: Model: PU-25 Material: Aluminum Alloy Size: Approx. 40×25mm/1.5×0.9inch Package Includes: 1 Piece Quick Release Plate 1 Piece Allen Key Note: Please allow a slightly errors due to manual measurement