Part of the Office Suites Collection, Underdesk Keyboard Drawer is height-adjustable to move keyboard and mouse off the desktop to save work space. Ideal for diagonal, curved, or straight workstations. Three height adjustments suit your preferred work position, placing the keyboard 2-1/2", 2-1/8" or 1-3/4" below the track. Mouse tray mounts to right or left side of the keyboard tray or stows underneath when not in use. Ball-bearing glide tracks ensure smooth drawer movement. Drawer is easy to install and adjust. Keyboard tray dimensions are 20-1/8" wide x 7-3/4" deep. Mouse tray measures 7-3/8" wide x 7-5/8" deep. The keyboard drawer requires a 28-3/4" maximum width for keyboard and mouse tray.