Model: AM-522B
1) Backrest: nylon + fiberglass frame, mesh cover;
2) Lumbar: up & down adjustable;
3) Armrest: 4D adjustable armrest with PU pad;
4) seat: molded foam, fabric cover;
5) Mechanism: 4 angles locking multifunctional synchro mechanism, with sliding function;
6) Class 3 gas lift;
7) Base: 340mm five star nylon feet, black color;
8) casters: 60mm PU caster, black color;
