High-strength steel wire ropes connect the massages bed strongly . which can withstand the weight of 551lb. There are two twisting adjustment knobs on each leg for 8 kinds of different height adjustments. The height of the massage table can be adjusted from 25.2in to33.7in.The headrest . also face cradle . is removable if you do not need it. It is adjustable for different heights or angles . too. The headrest adopts a quick-fix locking device . through which the angle of the headrest can be adjusted. This folding massage couch can be used for multiple purposes . home massage . spa . beauty salon . clinic . etc. Also . the installation of the massage table is toolless; all you need is to open the case and let bed legs out to the place.