Kensington Underdesk Adjustable Keyboard Platform with Wrist Rest (K60067) Unique modular platforms attach to arm as needed for different size keyboarding surfaces. Includes a keyboard wrist rest. Use all three platforms for a large mousing area or remove a platform to fit small desks. Adjusts 6" in height, +/- 15 degrees in tilt and rotates 360 degrees. For straight workstations.