RAM mount kit for computer and keyboard; computer mount includes clamp base "D" ball, medium "D" arm 215 mm (8.5 in), "D" ball for vehicle dock rear. Keyboard mount includes dock plate, "C" ball for dock plate, "C" arm 145 mm (5.7 in), keyboard mount plate with "C" ball.RAM mount kit for computer and keyboard; computer mount includes clamp base "D" ball, medium "D" arm 215 mm (8.5 in), "D" ball for vehicle dock rear. Keyboard mount includes dock plate, "C" ball for dock plate, "C" arm 145 mm (5.7 in), keyboard mount plate with "C" ball.