Adjustable keyboard platform conveniently tucks away under the desk. Swivel mouse tray mounts on left or right. Single knob offers easy height and tilt adjustment. Height adjusts 5 inches (1 above desk). Includes foam wrist rest. Made from black, durable wood fiber construction. Color: Black; Workstation Type: Diagonal; Straight; Height (+/- Desktop): +1 1/2"/-3 1/2"; Keyboard Tray Dimensions (W x D): 18 1/2" x 9 1/2".