Features: Made of aviation aluminum alloy, high-end anode sandblasting oxidation and CNC machining, it is strong, stable and safe to use. With a 3/8 inch screw hole and 3/8 inch to 1/4 inch, which can be connected to a tripod, selfie stick, camera cage, ball for head plate, monopod, etc. Built-in spirit bubble level, which ensure accurate photography balance. Standard Arca for Swiss type, suitable for most quick release plates, such as ARCA-SWISS, RRS, KIRK, etc. Easy to replace and install without additional tools. Specifications: Material: Aluminum Alloy Colour: Black Size: Approx. 7.5x4.9x1.4 for cm/2.95x1.93x0.55 inch Screw: 3/8, 1/4 Interface Surface Technology: Anodic Sandblasting and Oxidation-treatment Applications: for SLR Cameras Tripod Ballhead Monopod Arca for Swiss Benro QR Plate Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Piece Quick Release Plate