The SMS7630B (Black) from On-Stage Stands is a heavy duty Studio Microphone Stand with a telescoping boom. This stand utilizes an internal air suspension which can rest on its rubber feet or the optional casters for extra mobility. With its 17 lbs hex-base, the SMS7630B has stability plus saves room on your studio floor. The telescoping boom can adjust from 32-49" and the boom will angle 320° while the base has height adjustment from 42-70".