Made of high quality aluminium. anodic surface treatment, corrosion resistance and wear resistance. Build-in 3 , easy to find correct direction no matter horizontal or vertical . Fast loading base with antiskid lock function, protect your camera from falling off. 50mm(1.97 inch) in length. Adapter jaws will accept plates from 38-42mm wide. Compatible with any style plate such as, , , Jobu Design, Swiss, Kirk Enterprises, Markins, etc. Material: Aluminum alloy Product size: 7.8 x 5 x 2.0cm / 3.1 x 2.0 x 0.8in Weight: 95g colour: black Package Contents: 1 * Yuntai plate holder 1 * Wrench, 1 * screw 1 * screw adapter Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.