Specification:

1.Synchronize mechanism

2.metal arms with PU surface

3.DIN 4550 Class IV gaslift

4.350mm aluminum base

5.BIFMA chrome castor

6.moulded foam in back

7.PU foam in seat

8.volume:0.247CBM

7.NW:22kg

8.GW:24.7kg

9.Warranty:3 years