Specification:

1.Self-adjustable sychronize mechanism with seat slider,5-positions lockable for back & seat

2.350mm nylon base

3.BIFMA PU brake castors

4.DIN 4550 Class Class IV gaslift

5.PU adjustable armrest

6.moulded foam for seat and back

7.with headrest

8.volume:0.215CBM

9.NW:21kg

10.GW:23.7kg

11.Warranty:3 years