The Manfrotto 244MICRO-AR Micro Friction Arm along with the anti-rotation adapter is specifically designed to mount an off-camera flash or accessory to a tripod, stand, or a bar. The friction arm features a 3/8" stud on both ends, whereas one end is fitted with a 1/4" -20 threaded adapter, while the other side has the Manfrotto Anti-Rotation Adapter that can be used on any Manfrotto tripod that's equipped with an Easy Link connection. Additionally, the friction arm is capable of holding a 3kg load, and included is a hex key in order to slot different adapters into place accordingly.