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 levelling  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.• 3-point triangle base w/ levelling floor spikes• Platform: 9 1/2" square with 1mm thick non-slip pad• Weight Capacity: 90 lbs• Height Adjustment: 36.5-54” with several height positions every 4 inches• Base Spread: 18"