SHAPE 11" MAGIC ARM CENTRAL LOCK ROSETTE W/ 1/4"-20 CAPTIVE SCREWThe 11 magic arm central lock rosette from SHAPE is an adjustable mounting option, with three points of articulation, for attaching accessories such as small monitors, lights, and microphones to your camera or rig. It features a 1 4 20 screw on each end and is designed with a swivel mechanism with ball joints to let you position your accessory to any angle. By tightening the central rosette with the thumb screw, you tighten the center pivot as well as