AmScope BSS-120A-FR-84 Single Arm Boom Stand and 84mm Collar Diameter

This single-arm heavy duty boom comes with a solid steel pillar, a long solid aluminum arm and a pillar focusing rack. The diameter of the holder ring is 3-1/4" (84mm). It is an ideal stand for gemologists, collectors, engravers and engineers in industries. 

Features & Specifications:

• 3-1/4" (84mm) Holder Ring
• 26" Overall Length
• 20" Single Arm
• 16" High Pillar
• 10" x 10" x 3/4" Solid Cast Steel Base
• Shipping Weight: 45 lbs