Stand-up workstation adjusts in height from 35" to 49". Designed for stand-up computer work. Keyboard tray extends 9-¾" and retracts under the worksurface when not in use. Keyboard tray holds up to 25 lb. The desktop holds up to 100 lb. Design includes a heavy-duty steel frame with powder-coat finish, ¾" compressed wood shelves, and snap-on cable management side covers. Worksurface measures 29-½" wide x 19-¾" deep, and keyboard shelf is 22-¾" wide x 13-½" deep. Roll stand-up workstation easily on four casters (two locking).