Nylon fiberglass back frame,
845 nylon fixed handrail,
50 density shaping sponge, + plastic shell under the seat
Black plastic up and down adjustable lumbar support
14mm plate,
D008 large class first gear synchronous locking chassis,
100-80 black South Korea Sanhong imported air pressure rod
XT-B340# nylon five-star feet,
55# nylon caster.