SmallRig Articulating Arm with Screw Ballhead and NATO Clamp Ballhead 2071Key Features:1. It is made up of a ballhead with 1/4’’ screw, a ballhead with NATO clamp and a ballhead clamp.2. It could attach plate with 1/4’’-20 threaded holes, such as Top Plate 1853, Side Plate 1854 or cage with...