Lorell Deluxe Adjustable Desk Riser - 20" Height x 38" Width x 20.5" Depth - Desktop - White Deluxe, adjustable desk riser offers a healthy addition to any desk that allows you to sit or stand while you work. The large, 38" wide x 23-1/2" deep worksurface accommodates two monitors or a monitor and a laptop. Ergonomic keyboard tray moves up and down with the desk and moves out/in for the most comfortable position. Unlimited height adjustments up to 20" above your desk. Easily raise or lower the riser with the adjustable paddles in the front for user-friendly operation. Gas spring will allow you to easily move the desk up and down, even with your computer equipment. Grommet hole allows you to route cables or add an optional monitor desk mount. Desk riser works with optional Deluxe Floor Stand (sold separately) to create a complete sit-to-stand desk or an extension to your current desk. Riser is fully assembled for use right out of the box.