Manual crank, hi-low, mat tables have been specially designed to provide an ample exercise area to the height most convenient to wheelchair and ambulatory people. Manual crank is hydraulically assisted and adjusts height from 19-27in.. 350 lb. weight capacity. Upholstered top table. Raised Rim Mat Tables feature a 1-1/4in. rounded raised rim. The table surface is resin free to prevent damage to the accessory mats. 350 lb. weight capacity. 2in. thick mats sold separately.