Features: 50mm Quick release plate QR clamp 3/8-inch with 1/4-inch adapter. Build-in 3 bubble levels, it is easy to find correct shooting angles both in horizontal or vertical shooting. U-shaped grooved clamp and fast loading base with anti-skid lock function, which can protect your camera from accidential falling or drops. Made of aluminum alloy, anodized surface treatment, corrosion-resistant and wear resistant. for any Arca style plate, such as RRS, Arca-Swiss, KIRK, Wimberley, Sunwayfoto, Benro etc. Specifications: Material: Aluminium Alloy Size: Approx. 16x11x6 for cm/6.3x4.33x2.36 inches Mounting Type: Arca-Swiss Standard Maximum Load: 6-10 kg Package Includes: 1 Piece Qucik Release Plate 1 Piece Transfer Screw 1 Piece 1/4 Screw 1 Piece Spanner note: Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you mind. Due to the difference between different monitors, the picture may not reflect the actual color of the item.