This single-arm heavy duty boom stand comes with a solid steel pillar, a long solid aluminum arm and a pin-tail focusing rack. The diameter of the holder ring is 3″ (76mm). It is perfect for gemologists, engravers, engineers, and hobbyists.
3″ (76mm) Holder Ring
26″ Overall Length
20″ Single Arm
16″ High Pillar
10″ x 10″ x 3/4″ Solid Cast Steel Base