Panavise Heavy Duty Base

Enginered to allow the base to support weights up to 75 lbs at 45°.

Accepts any 1" diameter shaft to a depth of 1.7".

Single knob controls head movement through three planes: 90° tilt, 360° turn & 360° rotation.

Square base 4.125" x 4.125" has four mounting holes (mounting screws not included).

Internal half ball can be reversed from positive serrated lock (high holding power) to smooth friction lock (low holding power). Height: 3.25" not including top mount.

https://www.youtube.com/watch?v=-PwrviIs2t8