The ProBasics K7 Heavy Duty Wheelchair has a robust design to accommodate patients with a wider seat and higher weight capacity. The 8" x 2" semi-pneumatic casters are adjustable in 3 positions and the dual axle provides easy transition of seat height to hemi-level. With 24" rear urethane wheels with durable hand rims and removable Desk-Length Arms and Swing-Away Footrests. The padded upholstery is made of heavy duty vinyl with a chart pocket. Size: 24" x 18", 450lb capacity.