Rockville Microphone Mic Stand With Boom & Tripod Base (Amazing Quality!) (RVMIC1 ) Adjustable Height. Steel & Nylon Construction. Virtually Unbreakable (under normal use). Small Cable Guiding Clips for running cables along the stand. Black Color. Adjustable Height Range: 43-70 inches. Boom: 30 inches. Leg Diameter: 0.75 inch. Top Tube Diameter: 0.6" inches. Lower Tube Diameter: 0.6" inches. Boom tube size: 0.79 - 0.39 inch. Easy adjustment, just turn the clutch and you can raise or lower the stand.