Check the listing for details. Mobotron Clamping Under-Desk Keyboard Tray with Ergonomic 3-Angle Adjustment. Condition: New. Listed at 65.00 USD. Clamping Under-Desk Keyboard Tray with Ergonomic 3-Angle Adjustment Electronic Device Platform Content:ClampsKeyboard TrayInstallation Guide Features:Sturdy metal clamp fits on desks up to 40mm (1.57in) thickSmooth sliding rail design (to hide away and save space)Keyboard tray size: 510mm x 310mm (20in x 12.2in)3-angle-adjustment for a more ergonomic wrist positionEasy & fast installation Description: The Mobotron OM-202 under-desk keyboard tray is designed to clamp onto desks of various thicknesses and provide optimal comfort. The metal clamp is made of a sturdy metal, which can securely mount on any desk up to 40mm (1.57in) thick. The plastic tray can be a great working platform for keyboards, laptops, or any other device you want to store under the desk easily. The sliding rails on both sides of the tray allow you to pull out or put away your devices with ease. The OM-202 also comes with an angle adjustment lever, allowing you to adjust the tray to three different angles and enjoy the most ergonomic experience. Installation is easy and can be done within minutes. 3-Angle Adjustment for the Best Typing Experience: