Standard DX Wheelchair by PMI Triple chrome-plated carbon steel frame with dual rear axle converts from standard to hemi height, with seat to floor height 17.5" - 19.5". Mid position slide post adds strength and allows easy folding. Double embossed upholstery with heavy duty inner liner is flame retardant and mildew resistant. Features dual precision sealed maintenance free bearings, 24" Composite mag wheels with urethane tires, 8" front castors with solid rubber tires, composite handrims and padded armrests. Seat dimension: 18"W x 16"D. Weight without riggings: 36 lbs. Weight capacity: 300 lbs. Black.