Precision CNC is processed from high-quality aircraft-grade aluminum, with a smooth surface and scratch resistance, making you feel good when taking photos. Completely Arca swiss RRS Berno KIRK Sirui compatible. Black anodized treatment for high durability. Connection screws made of stainless steel. Quick release, turn and remount to your camera for either a horizontal or vertical shot. Mounting Screw Diameter: 1/4inch. Reserved extra 1/4inch -20 Threaded mounting holes for additional functions. Colour: Red Material: aluminum alloy Size: 148 x 70 x 88Mm Package Contents: 1 x Quick Release L Plate Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.