ViVID White Under Desk Ergonomic Keyboard Tray with Wrist Rest, 17&rdquo; Track Fully Adjustable: 360 Swivel -- Height adjustment of 5 1/2" -- Tilt range of +/- 15 Glide Track mounts to the underside of the work surface which allows keyboard tray to easily slide in and out Easy to operate knob control and spring assisted arm Sturdy and Durable Quality Material - 3/8" mdf core covered and sealed in 3d laminate vinyl Tray dimensions: 25"W x 11 1/8"D / Glide track: 17 3/4" L -- Includes FREE wrist rest