The 11 inches/28 cm articulating magic arm with super clamp is a mounting accessory for use with LCD monitors, small LED lights or small flash units. The magic arm is designed with locking knobs that are meant to release or enlarge the tension for position movement. It makes it easy to mount, place and adjust any on-camera accessory. It's 360° swivel head makes movement comfortable and easy to adjust. The super clamp is also a useful and versatile tool for mounting this unit to the surface you want to place your setup.