Universal swivel ball head. Has 1/4-20 female socket on bottom & 1/4-20 male on top.
Specifications:
- Height: 3.25 inches
- Knobs diameter: 1.25 inches
- Assembly tightening knob width: 1.5 inches
- Quarter-20 stud height: 0.25 inches
- Quarter-20 female thread depth: 0.25 inches
- Middle section dimensions (excluding central assembly tightening knob): 7/8 inches x 7/8 inches x 2.00 inches