Knox Adjustable Double X Keyboard Stand Sturdy Double-X Design - It's reinforced design gives this stand amaximum load weight of 45 pounds, so you can use it with a wide variety of keyboards Infinite Adjustability - This keyboard stand features a special sliding lock that allows the stand to be adjusted to any height between 4" and 38" Support Straps Keep Keyboards in Place - The Knox double-X Keyboard Stand features support straps to keep your keyboard in place during use Rubber End Caps Prevent Slippage - In addition to the support straps, the top and bottom bars of the keyboard stand haverubber end caps to further prevent slippage