WC Seat Width: 18WC Seat Depth: 16WC Leg Style: ElevatingWC Chair Type: LightweightWC Arm Style: Swing Back FullElevating legrest models feature a notched, stainless steel ratchet bar to lock the legrests securely in place. Swing back arms with easy flip back arm release. Padded and upholstered armrests and calf pads are standard. Quick release axles allow tool-free removal of rear wheels. Dual axle hemi-height adjustable; Adjustable height back; Tough nylon upholstery. Available arm styles: swing back desk length, swing back full length and swing back height adjustable desk length. Available leg styles: detachable footrest and detachable elevating footrest. Comes in seat sizes 16" x 16" ( 41 cm x 41 cm) and 18" x 16" (46 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), O2/I. V. Combo (item MDS85190), Anti-Tip Device (item MDS85189WK4), Seat Extension Kit for 18" wide only (item WCA806922EXT), Tinnerman Legrest Locks (item WCA806991).