Feature:1. Aluminum alloy quick release plate clamp, CNC precision machining and surface adopts anode anti-oxidation treatment.2. 38-42mm adjustable jaw, compatible with most Arca-Swiss standard quick release plate.3. 38mm standard groove design, and has standard 1/4 inch \u0026 3/8 inch screw holes at the bottom, can be mounted onto tripod head easily.4. Including one quick release plate with 1/4 inch standard screw and anti-slip rubber pad, easy to install your camera and keep it safe.5. Built-in one horizontal and one vertical bubble level to help you find balance accurately and quickly.Specification:Features: Aluminum alloy quick release plate clamp, CNC precision machining and surface adopts anode anti-oxidation treatment.38-42mm adjustable jaw, compatible with most Arca-Swiss standard quick release plate.38mm standard groove design, and has standard 1/4 inch & 3/8 inch screw holes at the bottom, can be mounted onto tripod head easily.Including one quick release plate with 1/4 inch standard screw and anti-slip rubber pad, easy to install your camera and keep it safe.Built-in one horizontal and one vertical bubble level to help you find balance accurately and quickly.Specifications:Material: Aluminum AlloyColor: BlackItem Weight: 58g/ 2ozPackage List:1 * Quick Release Plate Clamp1 * Quick Release PlatePackage List:1 * Quick Release Plate Clamp1 * Quick Release Plate