Fellowes Standard Height-Adjustable Underdesk Keyboard Drawer Standard Underdesk Keyboard Drawer Smooth gliding tray accommodates both standard and ergonomic keyboards. Two height selections plus built-in storage area for supplies. Sturdy, high-impact plastic construction. Manufacturer’s lifetime limited warranty. Workstation Type—Diagonal, curved or straight Glide Track Length—13-1/2" Keyboard Tray Dimensions—20-5/8 wide x 9 long Height Adjustable (Above to Below Desk)—3-3/4" to 4-1/4" below Sliding Tray Platinum