It helps position your camera securely on the tripod head. The quick release lock prevents the camera from falling and allows for easy attachment and removal. Suitable for digital cameras, 35mm cameras, medium format cameras, video cameras, binoculars, and scopes. Includes a 1/4 inch -20 threaded camera screw and video pin. The quick release plate attaches to the camera’s base, enabling fast and convenient mounting without the need to adjust the threaded mount repeatedly. Compatible with: PH-368 (PH368) -686 (CX686) C-600 (C600) D-600 (D600) -870RM (VCT870RM) Bottom interface size: 6.8 x 6.2 cm Color: Black Material: ABS Package Contents: 1 x QB-6RL Quick Release Plate Note: Light and display settings may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.