The fully adjustable Fellowes Office Suites Keyboard Tray saves space and offers good support while you work. To adjust height and tilt, you loosen a single knob to reposition the keyboard manager, hold in place, then retighten knob to lock in position. Keyboard tray swivels to the left or right and swings back underneath your work surface for convenient storage. Sliding arm lets you pull the keyboard tray closer to you for ease of use. Mouse tray mounts to right or left side of the keyboard tray for versatility.