WSRacing Gas spring/gas lift/gas cylinder/gas strut Used for boss chair/ office chair/bar chair etc.

Stroke for different kind of chairs.

Boss chair: 60mm, 80mm

Office Chair: 100mm, 120mm, 140mm, 160mm

Bar Chair: 180mm, 200mm, 260mm, 330mm

Outer tube color: Powder coating & Chrome Button color: White, Black, Orange, Green etc.

The quality Class:Class is different from the thickness of medium tube & outer tube.

Class D--1.2mm, cheaper price, two year warranty(Normal)

Class C--1.5mm, cheaper price, three year warranty(Better)

Class B--2.0mm, expensive price, five year warranty(Much Better)

Class A-2.5mm, more expensive price, five year warranty (Best)

We suggest our customers buy class Ato class C uality products from us to get the good quality items and service

Our pursuit is Reasonable Price , Good Quality, Good Service