Increase comfort and productivity by placing your keyboard and mouse at a proper level. This keyboard has an easy adjust arm which allows height adjustments of 4" above and 6" below mounting surface just by tilting the platform. Tilt is adjusted by dialing tilt knob to desired angle. Standard all-in-one platform with wooden construction minimizes bouncing. Includes all-in-one leatherette gel wrist rest with antimicrobial product protection and Precise Mouse Pad that can be placed on right or left of keyboard.