Studio Series Professional Microphone Boom Stand with Adjustable Counter Weight, Quarter-turn Clutch and Rollerblade-style Caster Wheels The MC-125 professional studio boom stand's larger-diameter base and locking, rollerblade-style wheels provide a low center of gravity and extra stability. Smoothly raise or lower height from 52" to 83" with a reliable clutch. The long boom telescopes from 35" to 61" and features a friction-free clutch arm extension. Also includes a unique, easy-adjust 5.75-lb. counterweight for a stable microphone placement. And the threaded shaft and boom sections provide quick set up and tear down for easy transport and storage. The MC-125 is in a class all its own. Features: Heavy Cast Base with Rollerblade-style Wheels Adjustable Counter Weight Height and Length Adjustable 100% Field Serviceable Parts Specifications: Part Name: MC-125 Part Number: 16124 Stand Height (with Casters): 51.5" - 82.75" (1308 mm - 2102 mm) Boom Length: 35" - 61" (889 mm - 1549 mm) Caster Diameter: 3.75" (95 mm) Base Diameter: 22.5" (572 mm) Folded Assembled with Casters: 58.75" x 22.5" (1492 mm x 508 mm) Weight: 35 lbs. (15.88 kg) Counterweight Weight: 5.75 lbs. (2.6 kg)