The On Stage DS300B Quik Release Desk Microphone Stand features an innovative Posi-Lok clutch, 52-locking teeth, an ergonomic knob. Base Diameter measures 6 inches, with a 7 inch boom. This desk stand is perfect for announcements, paging, dispatch, radio broadcast, and courthouse use. Quality, innovation, and a desire to offer new designs to today’s music professional all go into the production of On Stage microphone stands. From the most basic round-base stand to their vast range of mic stands, On-Stage Stands microphone stands have become standard equipment with many of the biggest road crews, sound contractors and music venues around the world.