Specification:

1.Heavy-duty sychronize mechanism with seat slider

2.PU adjustable armrests

3.adjustable lumbar support

4.ratchet back

5.D85 DIN 4550 Class III gaslift

6.350mm aluminum base

7.BIFMA nylon castor

8.headrest available

9.volume:0.182CBM

10.warranty:3 years