Velbon qra 635l ii quick release adapter plate
The qra 635 ii quick release adapter and plate from velbon can attach to any tripod head with a 14 20 threaded mount and enables you to quickly attach or detach your camera from the head the quick release plate has a standard 14 20 thread that fits onto most cameras it is made from magnesium and features two bubble levels allowing you to level your camera on both the horizontal and vertical axes