supports patient  when exercising.  Adjustable height.  Padded, molded arm pads have can be removed & cleaned.  Welded steel frame w/baked epoxy enamel finish. Non-marring casters w/step on wheel locks on rear casters. Width adjusts between armrests 12-19” & height 35.5-51” Narrower for home use. Rear Castors remain straight to assist control & do not lock.   #83507-Ea Latex Free UNSPSC#42211506