3M Keyboard Trays are the ultimate solution for maximizing workplace comfort and productivity with the support you need and comfort you want. Full featured keyboard tray solution offers quick and easy adjustability. The height and tilt indicators help you achieve the perfect settings for comfort and good ergonomics. Great for shared workstations. Adjustable keyboard platform with patented left/right sliding for optimal positioning. Highly adjustable mouse platform mounts left or right and easily adjusts up, down, forward and back. 23" track length is ideal for corner workstations with >12" radius or >17" diagonal. Not compatible with shallow workstations. 360° swivel. Limited lifetime warranty. Also try 3M Copy Holder. .