Guardian? Forearm Crutches provide stability as well as independence for those requiring assistance in ambulation on a long-term basis. Made of lightweight aluminum with sizes to fit youth through tall adult. - Telescoping parts are manufactured with internal bushings and external lock nuts to provide totally silent usage. - Vinyl coated, tapered, and contoured arm cuffs mold to user for extra comfort. - Heavy wall, high strength aluminum tubing. - Black components hide signs of wear and scratch