The K2 Basic Wheelchairs. Carbon steel frame with rugged silver-vein finish. Armrests are upholstered and padded. Threaded seat screw inserts reduce stripping from upholstery changes. Dual axle hemi-height adjustable. Chart pocket on back. Easy-to- clean vinyl upholstery. 300-lb (136 kg) weight capacity. Picture is representative of this wheelchair line; please check specification table on each individual sku for specific product details. Available seat widths: 16", 18" and 20". Optional accessories: O2 Holder (item MDS85181U), Anti-Fold Device (item MDS85196), I.V. Pole (item MDS85183) ,Overhead Anti-Theft Device, (item MDS85197A), O2/I.V. Combo (item MDS85190), Anti-Tip Device (item MDS85189), Tinnerman Legrest Locks (item WCA806991).