Place this Realspace Standing Desk Converter on your worktable or desk to transform it into an active workstation. With the pneumatic lift-assist, you can easily transition from sitting to standing and back again, as the riser can move between 5.1" and 19.3'' above your work surface. You'll also be able to maintain a comfortable typing position because the removable keyboard tray moves in accordance with the top surface. Plus, 3 USB ports are located under the desk surface to allow you to e Ergonomic design with you in mind - choose your comfort level and get more done. Sturdy MDF construction with steel hardware. Removable keyboard tray moves up and down to match the work surface. Cord management system helps maintain a tidy work space.