Standing Desk Converter provides a reliable work space, sturdy steel frame, easy-grip side handles and pneumatic dual gas piston assist for smoother and more precise height adjustment. Benefits of alternating between sitting and standing while working include reduced back pain and strain and a boost in overall health and energy. Workstation measures 37.5" wide x 20.5" deep. Desk converter supports up to 30 lb. and adjusts to heights ranging from 5" to 17". Retractable keyboard tray measures 23.6" wide x 11.6" deep and provides extra storage space. Anti-scratch pads made from rubber and foam allow your desk riser to be placed directly on your current worksurface and to remain stationary. Commercial-grade Anti-Fatigue Mat supports your back, hips, knees and feet while working from a standing position. Multi-layer construction offers a leatherlike surface with beveled edges, memory foam inner-layer and nonslip bottom.