Description: High quality!! Brand New!!! This PU-40 sliding quick release plate has a 1/4"-20 thread and is a spare or replacement part for the B-1, B-2 and B bullet heads -3 and other Arca-Swiss compatible quick release clamps. Features: Security screw installed on both sides to prevent the camera from falling by accident. You can change the location of the screw to fit different cameras. Universal designed to be compatible with other brands quick release systems. Constructed with excellent materials, providing exceptional quality. Material: Aluminum Alloy. Color: Matte Black Thickness: 10mm (Universal Thickness of Arca-Swiss Standard QR Plates). Mounting Screw Diameter: 1/4"< br>Compatible with: RRS/ARCA-SWISS/KIRK/Wimberley/MARKINS/SUNWAYFOTO kangrinpoche/BENRO/SIRUI Specifications: High quality!! Brand New!!! This PU-40 sliding quick release plate has a 1/4"-20 thread and is a spare or replacement part for the B-1, B-2 and B bullet heads -3 and other arca-swiss compatible quick release clamps. Package Included: 1 x Quick Release Plate 1 x Screws Notes: 1.Transition: 1cm=10mm= 0.39 inch 2.Please allow 1-3mm error due to manual measurement.Please make sure you do not mind before you bid. 3.Due to the difference between different monitors , the picture may not reflect the actual color of the item.Thanks