TheManfrotto 244 Micro Friction Arm allow you to mount an off-camera flash, LED light, or monitor to a tripod, stand, or bar.The arm features one 1/4″-20 threaded stud and one 3/8″-16 stud; one can be fitted to a clamp or mounting device, while the other side can be used for holding various types of gear or accessories. This arm helps you to place accessories like gobos and scrims in difficult-to-reach positions. It will support up to 3kg and can be easily installed using the hex key.