The Crab-Shaped Clamp & Magic Arm Kit from SmallRig enables you to mount a 1/4"-20 threaded camera accessory or action camera onto a rod, pipe, tripod leg, or surface measuring up to 2" in width. The kit is made up of a durable crab-style clamp, an adjustable magic arm, and a removable 3-prong action camera mount.
The magic arm features an adjustable mini ball head with a 1/4"-20 screw at each end and a joint in the middle, enabling you to position your accessory at almost any angle. Each section measures 4.5" in length, and it measures approximately 9" long when fully extended.