Infinite position reclining goes from 90 degrees to 140 degrees with quick adjust handles. Full back and head support is provided by 22" high back and 10" removable headrest. Carbon steel frame with chip-resistant chrome plating. 16" and 18" models feature a dual axle that allows for easy adjustment of seat height to hemi level. Anti-tippers standard. Durable vinyl upholstery. Arm style: desk length removable; Leg style: detachable elevating legrest. Comes in seat sizes 16" x 17" (41 cm x 43 cm), 18" x 17" (46 cm x 43 cm) and 20" x 17" (51 cm x 43 cm). MDS808350 and MDS808450 have a 300-lb (136 kg)weight capacity and MDS808550 and MDS808650 have a 350-lb (159 kg) weight capacity. Optional accessories:Anti-Fold Device (MDS85196), Tinnerman Legrest Locks (WCA806991).