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

1, Gas Lift / Gas Spring / 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, Bottom Color:  White / Black / Orange / Blue / Gray / Green

8, Warranty:        5 years

9. OEM Service / ISO9001 Certificate