The SmallRig Magic Arm with Rosette Gear (18cm) allows you the ability to mount a light, monitor, or accessory to your rig or cage in almost any position weighing less than 3.5kg. This magic arm features 1/4"-20 thumbscrews on either end and both ball heads and centre joint are secured with a single large centre locking lever. The sections are connected by a 360° rotating centre rosette joint.