1.Gas Spring,Lift,Cylinder,Strut for Chair,Table 2.Black ,chrome Surface 3.SGS BIFMA 4.ISO9001 Certificate 5.OEM Service

1. Gas Spring / Gas Lift / Gas Cylinder / Gas Strut for Office Chair / Bar Stool / Table

2. Stroke(mm):  80 / 100 / 120 / 140 / 160 /  230 /  260 / 330,etc.

3. Surface:  Black /Chrome

4. Standard:      Class 2  / Class 3   / Class 4 

5. SGS BIFMA X5.1(100,000 Times Testing)

6. Pressure(N):   300--450

7.Button Color:  White/Black/Orange/Blue/Gray/Green

8.Warranty:        5 years

9. OEM Service  /  ISO9001 Certificate