The TygerClaw sit-stand desk converter allows the user to turn any fixed-height desk into an active workspace. Easily operated with a single handle, it provides unhindered 110-mm to 505-mm (4.3-in to 19.9-in) up-and-down adjustments on the advanced gas spring mechanism. The converter also proposes a perfect solution for daily work. The 950-mm x 400-mm (37.4-in x 15.7-in) upper desktop has plenty of room to work and the convenient lower keyboard tray offers enough area for a keyboard and mouse. Counter-balance gas spring: creates smooth and quick transitions Squeeze handle: adjusts the height in a snap Lower keyboard deck: holds keyboard and mouse side by side and raises in sync with the top surface creating a comfortable work space Non-skid silicone pads: protect work surface from scratches or scuffs Eco-friendly particle board: features heavy-duty and moisture resistance Smooth and quiet height adjustment TygerClaw Gas Spring Sit-Stand Desk - 37.4-in x 19.9-in - Black