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. Arm style: desk length removable. Leg style: detachable footrest. Seat size: 18" x 16" (46 cm x 41 cm). 300-lb. 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). Black.