SunwayFoto PCL-6DG Custom L Bracket for Canon 6D with Battery Grip PCL-6DG L plate for Canon 6D Mark III Camera w installed Battery Grip Image plane mark on both horizontal and vertical rails. Precision CNC machined from solid aircraft-grade aluminum. SUNWAYFOTO brand Arca-Swiss compatible Includes 4 safety stop screws, 1 x 1/4" screw and 2 allen wrenches.