Due to State and Federal Law, we sell Syringes and Needles only to the Medical Facilities. Accommodates virtually any physical requirements with the optional attachments * Handles adjust without tools to an infinite number of positions to provide stability and posture. 90? bend standard except for the Tyke models that is 45? * 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) *