Guardian Strider Walker Accommodates virtually any physical requirements with the optional attachments * Handles adjust without tools to an infinite number of positions to provide stability and posture. 90ø bend standard except for the Tyke models that is 45ø * Extra wide base provides stability safety and balance * Outfitted with 5 wheels to easily roll over irregular surfaces * Possible Configurations: Adult Middler Tyke Tweener Configure item for more details * Approximate User Height: Adult-4'8 -6'4 (142-193 cm) Middler-4'4 -5'10 (102-178 cm) Tyke-2'2 -3'6 (66-107 cm) and Tweener-3'-5'2 (91-157 cm) *