- Heavy Duty 11" Articulated Arm Swivel Ball Head with 1/4"-20 Screw and Counter Nut;

- Each Arm has a Rosette Gear for secure interlocking;

- Large Wingnut makes it easy to secure Arms in position; - Clamp Will Mount on ANY rod / bar from 0" to 2.5” (0mm- 62mm); - Weight only- 15 oz.