The DynaRide Series 2 Wheelchairs are dependable and perfect for long-term use. The dual axle provides an easy transition from a standard seat level to hemi-level, as well as multi-position caster forks for an adjustable seat height of 18 or 20-inches. The wheelchairs come standard with 24-inch wheels, solid non-marking rubber tires, and composite hand rims with push-lock brakes. 1 unit per box