Requires Super Clamp or Base with 1/4"-20 Male Threads This Manfrotto Magic Arm with Quick Release is a fully articulated arm with 90° pivotable and 360° rotatable ends, and an elbow that rotates 360°. The lever tightens and locks for precise positioning of a small light head or camera. It has 5/8" studs at each end with 1/4"-20 female threads. It is supplied with a camera platform that has a quick-release mechanism and plate with 1/4"-20 thread.