AKT90LE has an easy adjust arm – just tilt platform, adjust and release to lock in place. Adjusts height to 2” above mounting surface and 5.5” below mounting surface. Tilt is adjusted by dialing tilt knob to desired angle. Standard all-in-one platform with wooden construction minimizes bouncing. Includes leatherette gel wrist rest with antimicrobial product protection and Precise™ Mouse Pad