3M Under-Desk Keyboard Drawer, Height and Tilt Adjustable for Personal Fit, Wide Platform Places Keyboard and Mouse Together for Comfort, Gel Wrist Rest and Precise Mouse Pad Included, Black (KD90) Keyboard tray provides height adjustments and adjustable tilt to create a personal fit Wide platform places the mouse directly beside the keyboard for added comfort and convenience Includes easy to clean leatherette covered gel wrist rest with and Precise Mouse Pad with battery saving design that positions right or left Installation depth required: 20"; width required: 30" 5 year warranty 3M Adjustabe Under-Desk Keyboard Drawer KD90, 27.87in x 16.82 in x 4.0 in, Charcoal GreyBlack. 3M Keyboard Drawers can help maximize workplace comfort and productivity with the support you need and comfort you want. Installation depth required: 20", width required: 31". Lifetime warranty. Also try 3M Adjustable Keyboard Trays. The under-desk design with height and tilt adjustment ensures correct height. Includes incredibly soft gel-filled wrist rest and mouse pad at same level.