Specification:

1.Sychronize mechanism with seat slider,5-positions lockable for back & seat

2.ratchet back

3.330mm aluminum base

4.BIFMA chrome castors

5.DIN 4550 Class IV gaslift

6.PU adjustable armrests

7.cut foam

8.volume:0.177CBM

9.NW:19.5kg

10.GW:21.7kg

11.Warranty:3 years