Dual Secure Safety Lock:rovides 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 FOR Design PD backpack strap camera clip V3, Arca , and other devices. Simply toggle the unlock switch for instant switching between the clamp base, tripod head, or camera clip. Screw Compatibility:Equipped with 4 x 1/4inch screws and 1 x 3/8inch screw, 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. Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Color: Black Material: Aluminum Alloy Package Contents: 2 * 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.