Deluxe, adjustable desk riser offers a healthy addition to any desk, allowing you to sit or stand while you work. Large, 32" wide x 20.5" deep worksurface accommodates two monitors or a monitor & a laptop. Ergonomic, retractable keyboard tray moves up & down vertically with the desk. Sturdy metal frame with easy-grip side handle & gas piston assist can raise & lower up to 35 lb. with continuous height adjustment from 5" to 18". Easily raise & lower with side handles. Gas shocks will assist, allowing you to easily move the desk up & down. Grommet hole allows you to route cables for hassle-free cable management or add an optional monitor desk mount. Riser is fully assembled for use right out of the box.