[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 Transition]The square-shaped quick release plate is compatible with Design PD backpack strap camera clip V3, Arca , and other devices. Simply toggle the unlock switch for instant switching between the clamp base, tripod , or camera clip. [Screw Compatibility]Equipped with 4x1 or 4 inchscrews and 1x3 or 8 inchscrew, this clamp offers flexibility in mounting options. Easily attach a range of accessories to enhance your experience. [ Construction]Crafted from aluminum alloy, our clamp is built to withstand the demands of professional use. Rugged and dependable, it ensures and consistent performance. Colour:black Material:Aluminum Alloy Package Contents: 1 x 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.