Specification:

1.Self-adjustable synchronize mechanism with seat slider

2.DIN 4550 Class IV gaslift

3.350mm aluminum base

4.BIFMA PU brake castor

5.nylon back frame

6.nylon headrest

7.adjustable lumbar support

8.PU adjustable armrest

9.cut foam

10.volume:0.177CBM

11.NW:20.5kg

12.GW:22.7kg

13.Warranty:3 years