A true dual axle position allows for repositioning the 24″ rear wheels and 8″ casters for adult and hemi seat-to-floor heights. The offset permanent arms offer full seat width up to 20″ with a permanent arm, hemi spaced footrest and a full range of accessories. Features: -Its durable, low-maintenance, triple chrome-plated, carbon steel frame is long-lasting. -The 14-gauge crossbraces add strength and durability while the dual axle positions allow variation of seat- to-floor heights. -Urethane rear tires, mounted on “no flex” wheels, offer superior performance.