Function: 1. Multiple 1/4 inch and 3/8 inch screw holes: With different screw holes and included conversion nuts, this base can be attached do tripod to securely connect your camera. 2. Clamp opening from 38 mm do 43 mm: The clamp can accommodate any standard quick mounting plate compatible with Arca Swiss, providing versatility for camera compatibility. 3. Double Levels and Accuracy Scale: Equipped with a double level and an accurate scale measuring 110 mm, this base provides a convenient and accurate leveling capability. 4. Lightweight design with anti-slip lock function: Designed to reduce weight and improve portability, this quick release mechanism base also comes with a secure locking mechanism to prevent accidental slips. 5. Durable and Sturdy Aluminum Alloy Construction: Made from high-quality aluminum alloy, this base is built to withstand wear and tear, ensuring long-term reliability in your camera setup. Specification: Item Type: Camera Quick Release Clamp Weight: 200 g/7,1 oz Material: Aluminum Alloy Suitable fast charging plate: Standard 38 mm-43 mm wide fast charging plate List of packages: 1 x Quick Release Clamp