medline MDS86410XWW
Adult Bariatric Folding Walker with Wheels 
Higher weight capacities keep larger patients active and moving. Extra-wide frames give larger patients a more comfortable fit. Two-button folding capabilities let patients receive support through narrow spaces. 
Aluminum frame with front cross brace and dual side 
braces provides durability. Comes with 5" (13 cm) wheels.) 500-lb. (227 kg) weight capacity. Approximate user height, 5'5"-6'4" (165-193 cm); Width inside hand grip, 20" (51 cm); Height adjustment width, 33.5"-43.5" (85-110 cm); Folded, 4.5" (11 cm).