This Magic Arm with Dual Ball Heads from SmallRig is ideal to mount and adjust monitors, viewfinders, lights, mics, and other accessories.
It features dual ball heads and 1/4"-20 screw mounts with tightening thumbwheels and anti-twist locating pins on each end. This lightweight aluminum and stainless steel arm has a load capacity of 12 lb.
Each ball mount features a silicone gasket to add grip and friction to the mount when adjusting position, and both are tightened with a center locking lever. A magnetic wrench is included to help tighten the thumbwheels.