Specification:

1.Heavy-duty synchronize mechanism,4-positions lockable for back & seat,Seat sliding mechanism - 58mm adjustment

2.DIN 4550 Class IV gaslift

3.350mm aluminum base

4.BIFMA PU brake

5.double plywood in back, single plywood in seat

6.PU adjustable arms

7.cut foam

8.volume:0.227CBM

9.NW:22.7kg

10.GW:25.2kg

11.Warranty:3 years