Standing desk converter provides a reliable and efficient work space with a sturdy steel frame and easy-grip side handles. Pneumatic gas dual-piston assist allows smoother and more precise height adjustment. Alternating between sitting and standing while working reduces back pain and strain and gives you a boost in overall health and energy. Spacious and ergonomic workstation encourages productivity by accommodating three monitors. Desk converter supports up to 40 lb. and adjusts to heights ranging from 4.7" to 17.5" so people of most heights can work from an ergonomic position. Large retractable keyboard tray measures 28.7" wide x 9.6" deep and can hold anything from a keyboard to a laptop. Conveniently placed grommet hole provides hassle-free cable/wire management. Anti-scratch pads made from rubber and foam allow top desk riser to be placed directly on your current worksurface and to remain stationary.