Specification:

1.3 lever heavy-duty mechanism with seat slider

2.ratchet back

3.DIN 4550 Class IV gaslift

4.330mm stronger chrome base

5.BIFMA castors

6.PU foam

7.PU adjustable arms

8.volume:0.177CBM

9.NW:21.9kg

10.GW:24.1kg

11.Warranty:3 years