Specification:

1.Sychronize mechanism with seat slider

2.DIN 4550 Class IV gaslift

3.B320 nylon base

4.BIFMA castor

5.nylon back frame

6.adjustable lumbar support

7.PU adjustable armrest

8.with headrest

9.cut foam

10.volume:0.157CBM

11.NW:20.1kg

12.GW:22.1kg

13.Warranty:3 years