Specification:

1.3 handle heavy duty mechanism with  seat slider

2.DIN 4550 Class IV gaslift

3.350mm aluminum base

4.BIFMA PU brake castor

5.PP Fiber Glass back frame

6.nylon seat frame

7.adjustable lumbar support

8.PU adjustable armrest

9.with headrest

10.volume:0.177CBM

11.NW:22kg

12.GW:24.5kg

13.Warranty:3 years