A very nice Height Adjustable desk raiser like a brand new one for your home or office. It sits nicely on any standard table without the need for mounting. The two-tier design gives you an upper display surface for multiple monitors, and a spacious lower keyboard and mouse deck. Height-adjustable to different positions for ergonomic comfort. Remains sturdy and stable even when fully extended. Cube Corner 48 gives you a wide 48-inch (122 cm) display surface to accommodate dual monitors, and the roomy keyboard and mouse deck to give you plenty of space for typing and maneuvering in ergonomic comfort, just place it on top of your desk and you're ready to work!