Quick release mounting plate bracket for camera cage rig and accessory The product consists of two plates. They are locked into each other via a sliding pin / sliding pin. They can be locked / attached and released quickly securely. One plate with 3/8"-16 screw and the sliding pin. Another plate with 3/8"-16 screw and 1/4"-20 screw For mounting a lens motor, monitor, wireless follow focus, other accessory to your ARRI RED SONY camera or cage rig using the 3/8"-16 or 1/4"-20 screw Material: aluminium, sturdy and durable. Color available: Black, Yellow, Red