3M Adjustable Under-Desk Keyboard Drawer, Three Height Settings, Wide Tray with Gel Wrist Rest Accomodates Most Keyboards, Slide Out Mouse Platform with Precise Mouse Pad, Black (KD45) Featuring three distinct height positions to ensure the ideal working posture Includes an extra-wide tray to match virtually all keyboards Steel ball bearings provide smooth operation and movement Includes a easy to clean leatherette gel wrist rest and a retractable mousing pad with the 3M Precise Mouse Pad with battery saving design Ready to assemble. 24-25"W x 16-25"D x 2-"H 2 year warranty