The Stroboframe QRC is a compact, low-profile quick release that automatically docks and locks your camera or bracket to a tripod. It's also perfect for use with studio stands and copy stands. The entire system consists of a QR Receiver mounted to the tripod, and a QR Plate attached to the camera. The system is fully compatible with all 35mm and medium format cameras, you can use Camera Anti-Twist Plates. Net Weight: 5.5 oz. Dimensions: 3.5Lx2Wx0.5"D