. During the holidays, this is a great way to save on luggage, share a tripod among multiple people, and have a spare quick-release disc for each camera. No more time wasted twisting the camera onto the plate. Metal screw + raised elastic support + back knob = easy to fix. Compatible with quick-loading 600, 668, 690, and 800 tripod platforms. Function: The front side of the quick release plate features a soft surface that provides gentle protection for the camera and acts as a buffer against vibration. Type: Quick release plate. Usage: Attach the quick-release plate to the camera by screwing it in securely. Color: Black Material: ABS Size: 42 x 42mm Package Contents: 1 x Quick Release Plate Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3cm.