... ,Lift,Cylinder,Strut for Chair,Table 2.Black ,chrome Surface 3.SGS BIFMA 4.ISO9001 Certificate 5.OEM Service Products ... NameGas spring/gas lift/gas cylinder/gas strutUseUsed for boss chair/ office chair/bar chair ... for different kind of chairs.Boss chair: 60mm, 80mmOffice Chair: 100mm, 120mm, 140mm, 160mmBar Chair: 180mm, 200mm, 260mm, 330mmSampleAll ...