Elevating legrest models feature a notched, stainless steel ratchet bar to lock the legrests securely in place. Carbon steel frame with rust- and chip-resistant chrome plating. Padded and upholstered armrests and calf pads. Threaded seat screw inserts reduce stripping from upholstery changes. Dual axle hemi-height adjustable. Chart pocket on back. Durable navy blue vinyl upholstery. Arm style: desk length permanent. Leg style: detachable footrest. Seat size: 16" w x 16" d (41 cm x 41 cm). 300-lb. (136 kg) weight capacity. Optional accessories: O2 Holder (item MDS85181U), Anti-Fold Device (item MDS85196), I.V. Pole (MDS85183), Overhead Anti-Theft Device (item MDS85197A), O2/I.V. Combo (item MDS85190), Anti-Tip Device (item MDS85189), Tinnerman Legrest Locks (item WCA806991).