The On Stage SMS6000 monitor stands feature a 3-point triangle base w/ leveling floor spikes. Height adj: 36.5-54"; 90 lbs. capacity. This stand is designed with home and project recording studios in mind. The height adjusts for listening sitting or standing and will lock in place with a security pin. Three adjustable leveling spikes on the bottom of the base keep this stand stable on any carpeted surface. Entire stand breaks down into three pieces for easy storage and travel. Platform: 9 1/2” Square platform w/ 1mm thick non-slip pad Weight Capacity: 90 lbs. Height Adjustment: 31”-61” w/ several height positions every 4 inches Base Spread: 18” Gross Weight: 25.35 lbs