The fully adjustable On Stage KS7150 is a great choice for musicians who need support for large keyboards, heavy vintage electric pianos or DJ gear. The optional KSA7500 Universal 2nd Tier unit can be attached, making this a 2-tier stand. Applications: Large-format Keyboard, Mixer and DJ Weight Capacity: 230 lbs. Height Adjustment: 26"-43" Width Adjustment: 29"-43.5" Construction: Welded and bolted Other Features: Telescoping platform adds versatility and adjusts from 29"-43.5" wide.