Medical STD24ECDFA-SF Sentra EC Heavy-duty Wheelchair * Standard dual axle provides easy transition of seat to hemi-level. * Carbon Steel frame with triple coated chrome for an attractive, chip-proof, maintainable finish. * Double embossed vinyl upholstery is durable, light-weight, attractive and easy-to-clean. * Urethane tires mounted on composite wheel provides durability and low maintenance. * Aluminum footplates. * Comes with padded arm rests. * No maintenance, sealed, precision bearings. * 8" front casters, adjustable in 3 positions. * Chrome hand rims standard. * Comes with push to lock wheel locks.