Specification:

1.Zhongwei 3 lever heavy duty mechanism

-seat height adjustable

-the angle of seat and back adjustable

-back height adjustable

2.armrests available

3.120mm DIN 4550 Class III gaslift

4.320mm nylon base

5.-6°BIFMA castors

6.plywood reinforce the back

7.cut foam

8.color:Red,can be chosen

9.GW:18kg

10.CBM:0.16

11.warranty:3 years

12.test rated:EN 1335

              AS/NZS 4438(Level 6)