Hola! HPS-400B Heavy Duty Professional Folding Keyboard Stand with Patented Height Control Heavy-duty steel construction with 1 inch square tubes. Weighs ~ 7 pounds. Patented height control lock remembers the height you set, saving you from spending precious time on readjustment. Height adjusts between 25 and 36 inches for using while sitting or standing. Designed to hold almost any keyboard, up to a maximum of 88 keys or 100 pounds. Folds flat, making transportation and storage simple.