Specification:

1.Zhongwei 3 lever heavy duty mechanism

2.320mm nylon base

3.BIFMA castors

4.armrests available

5.DIN 4550 Class III gaslift 

6.iron plate reinforce the back

7.cut foam for seat and back

8.color:blue

9.volume:.136CBM

10.GW:16KG

11.test rated:AS/NZS 4438(Level 6)

12.warranty:3 years