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 are standard. Threaded seat screw inserts reduce stripping from upholstery changes. Dual axle hemi-height adjustable. Chart pocket on back. Easy-to-clean vinyl upholstery. Available with desk length removable, full length removable or full length permanent arm styles. Available with permanent footrest, detachable footrest or detachable elevating footrest. Seat size comes in 18" x 16" (46 cm x 41 cm) and 20" x 16" (51 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).