Up and down freely black zinc plated steel Lockable Gas Spring with Class 2-4 for Chair

Specifications:

1. Up and down freely, hight adjustment

2. Swivel 360 degree freely

3. Stroke: 80mm/100mm/120mm/140mm/160mm/230mm/260mm/330mm, Etc.

4. Surface plated: Black or Chrome

5. Pressure:300N to 500 N

6. Bottom Color:Black, white, orange, blue gray and green and so on

7. Standard:Class 2, Class 3, Class 4

8. OEM provide

9. Can design for you

10. Bottom type:Folded or Welded