Double Arm Boom Stand for Stereo Microscopes - Steel Arms, Pin Mount, 76mm Focus Block, Amscope, Mfr#: BBB-FR

This is a ball-bearing dual-arm heavy-duty boom stand for stereo microscopes. The ball-bearing design allows users to make horizontal adjustment at the touch of a finger. The holder ring of the focusing rack is 3" (76mm) in diameter. This boom stand weighs about 40 lbs. Features & Specifications: Ball-Bearing Design for Easy Operation Easy to Make Horizontal Adjustment the Touch of a Finger Versatile Dual Arm Boom Covering Large Working Area 22-1/2" Horizontal Double-Arm 15" (381 mm) High Pillar 11 1/8" x 10 1/4" x 7/8" (284 x 260 x 22 mm) Solid Cast Steel Base 40 lbs in Weight Manufactured under ISO 9001 Quality Control Standard Packing List: One Dual-Arm with Ball Bearing Design One Focusing Rack One Pillar One Solid Cast Steel Base User’s Manual Download