Desmond Brand DAL-1 QR L Plate Change quickly from landscape to portrait mode without adjusting your setup. Ideal for small to medium sized digital cameras (without battery grip)All Metal Construction. 4 x hex safety screws on the underside. Stainless Steel D-ring screw & 1/4"-20 screw with 4mm hex & flat head slot. Measures: 3.2" (82mm) horizontal axis x 2.75" (70mm) vertical axisWidth: 1.5" (39mm)Weight: 2.7oz (76g)Includes 2 allen wrenches. Ideal for RRS Lever Clamps