This mini ball head mount features a 1/4"-20 thumbwheel screw on one end and a 3/8"-16 thumbscrew on the other end. It provides a solution for mounting a variety of accessories onto your camera cage or rig at almost any angle, compatible with a wide range of camera components, small lights, or sound gear. A ratchet lever fixes the position of the ball head. There is rubber padding on the thumbwheel to protect your gear from scratches.