they do have shortcomings
With 4 rugged 12" all-terrain wheels
The Medline Standard Knee Walker is a mobility aid designed for individuals recovering from lower-leg injuries
4'2" - 5'2" (127 cm - 157 cm)
Adjustable knee pad height: 20"–26"
Transport Chair with 12-Inch Wheels by Medline for Sale Durable Knee Walker they do have shortcomingsClick here to view the USER MANUAL Medline Basic Aluminum Transport Chair, Permanent Full Length Armrests, Detachable Footrests, 12 Inch Wheels, 300 lb. Capacity, Blue, One Designed to be pushed by a caregiver, transport chair has a lightweight yet durable powder coated aluminum frame plus fold down back with storage space, making it great for on the go use Comfortable, easy clean nylon upholstery on 18Wx16D seat and 19H back Permanent full length