ViVID Black Under Desk Ergonomic Keyboard Tray with Wrist Rest, 17&rdquo; Track 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 Easy to operate spring assisted arm Fully Adjustable: Swivel / Height adjustment of 5 1/2" / Tilt range of +/- 15 Stores under the work surface / Includes FREE wrist rest