80MM Black Adjustable Gas Spring for Heavy Duty Office Boss Chair High Pressure Gas

Description:

1. Comfort and maximized efficiency of the chair auto return height adjustable gas lift 80mm black  is very slowly descending by speed Control guide all the time, while the extension is the same speed as the regular-built gas spring.

2. The height of chair is minutely adjustable 
3. Products Warranty: our products gas spring for office chair guarantee 5 years, It is that each gas spring will be free from defects materials and workmanship for the lifetime of the chair in which it is originally installed, if the gas spring is proper

4. Gas spring for office chair 100mm black down 60mm has 4 class, different class have different tuber thickness 
5. Gas spring for office chair 60mm black down 40mm tube thickness is 1.2mm, gas lift for office chair class2 tube thickness is 1.5mm ; gas cylinder for office chair class 3 tube thickness is 2.0mm , air spring for office chair class4 tube thickness is 2.5mm 

5. Sample: All the samples are free, just freight will be undertaken by your side. If you have your own size, welcome you send us your samples, we can make sample and production accordingly

Specifications:

Applications:

Gameroom chairs

Bar stools

Conference chairs

Any specific chairs requiring a line-up

Competitive Advantage:

1. No need of additional fixture for a joint as the single outer pipe with cylinder
in solid steel material
2. No shock impact by special gas system during compression all the time ,while quick extension
3. Very little noise during compression when gas spring/gas lift /gas cylinder working 
Dimensions and F1 force are changeable to comply with buyer’s request to gas spring for office chair 100mm black down 60mm