565-AT
swivel office chair, height adjustable headrest, high backrest, automatic synchronous mechanism AT, height adjustable lumbar support, black nylon five-star base, large castors, pneumatic lift, (price does not include armrests)
565-SYS
swivel office chair, height adjustable headrest, high backrest, SYS synchronous mechanism with side tention adjustment, height adjustable lumbar support, black nylon five-star base, large castors, pneumatic lift, (price does not include armrests)
565-SYQ
swivel office chair, height adjustable headrest, high backrest, SYQ synchronous mechanism with simple side tention adjustment, height adjustable lumbar support, black nylon five-star base, large castors, pneumatic lift, (price does not include armrests)