72mm Stroke Swivel Chair Long Gas Struts with Tapered Steel Tube Welded

Description:

1. total length 297mm the stroke is 72mm ,the bottom is welding ,the tube length is 165mm.80mm  black high-cone gas lift for office chair 
 
2. 80mm  black high-cone gas lift for office chair  is very slowly descending by speed Control guide all the time, while the extension is the same speed as the regular-built gas spring.
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
 
5. Gas spring for office chair 80mm black
 Has  4 class, different class have different tuber thickness 
 Gas spring for office chair 100 mm chrome 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 

6. Unique design of high cone for the lofty spider bases

Specifications:

Applications:

1. office chair 

2. Executive office chair with lofty spider base 

3. unique chair with the same height of the bushing and base top.

Competitive Advantage:

    Additionally tapered steel tube welded on the column provides a capability for superior black-pull durability
    F1 and Dimensions are changeable to comply with buyer’s request to gas spring for office chair 60mm black down 40mm
     Very little noise during compression when gas spring/gas lift /gas cylinder working No shock impact by special gas system during compression all the time ,while quick extensionTaper to be extended up to the top bushing but preventing the bushing from coming off.