The AtlasIED MS20 heavy-duty microphone stands provide extra stability, extend from 37" to 60", and are suitable for indoor/outdoor use. The unit features an integral air suspension system to protect sensitive microphones from damage if clutch is released too quickly. Tubing is manufactured of 7/8" and 1 1/8" dia. cold rolled steel. Model MS20 features chrome tubing and an ebony finished base.