Only the On Stage KS750 compact Z stand can hold 375 lbs, allow for independent height or width adjustments and folds for easy storage. The unique Z-frame allows playing from either side and can be broken down and locked together for transport. This model can hold 55-key keyboards in the compact position and up to 88-key keyboards at its maximum width. Applications: DJ, Mixer and Keyboards Structural Tubing: 1"x 2" Center Box Tubing: 3/4" Weight Capacity: 375 lbs. Height Adjustment: 24"-38" Tele