[Dual Secure Safety Lock] Provides double-locking mechanisms for enhanced stability and peace of mind during shoots. [Automatic Locking Design]Insert the camera-mounted quick release plate into the clamp, and it automatically locks into place, ensuring a firm hold for your camera. [Seamless Device ition]The square-shaped quick release plate is compatible with Peak Design PD backpack strap camera clip V3, Arca Swiss, and other devices. Simply toggle the unlock switch for instant switching between the clamp base, tripod head, or camera clip. [Screw Compatibility]Equipped with 4x1/4 inchscrews and 1x3/8 inchscrew, this clamp offers flexibility in mounting options. Easily attach a range of accessories to enhance your shooting experience. [Durable Construction]Crafted from aluminum alloy, our clamp is built to withstand the demands of professional use. Rugged and dependable, it ensures longevity and consistent performance. Colour:black Material:Aluminum Alloy Package Contents: 1 * Camera quick release base Only the above package content, other products are not included. Note: Light reflection 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.