Product Name: up&Down Gas Spring for Office Chair Model NO.: cc-100# Shape: Cylinder Production Process: Cold Roll Load Type: Extension Usage: Furniture, Office Chair Material: Iron Pressure: 350n-480n Package Size: 36*33*15cm Thickness of 28tube: 1.0mm-2.5mm Thickness of 50tube: 1.0mm-1.5mm Specification Class: Class1,Class2,Class3,Class4 Certification: TUV/LGA, SGS Trademark: Chuangcai Transport Package: Carton Box Specification: extension 120mm Origin: Changzhou HS Code: 8479899990 Product Description ModelL-mmS-mmV-mmX-mm(F2)N±20NCC-B/C-40#2324013570500CC-B/C-60#2726015570480CC-B/C-80#3008017570460CC-B/C-100#34010019570450CC-B/C-120#38812021570420CC-B/C-140#40814022570420CC-B/C-160#43716024570420CC-B/C-180#50218027570420CC-B/C-200#53920029570420CC-B/C-260#71026038570460CC-B/C-330#71021538570460Note:/All customized size&force can accept.Our Service:1.Your inquiry will be replied within 24 hours.2.OEM&ODM3.1-5pcs is free.4.The delivery time can be controled within 15 days.If there are special circumstances we will confirm with in advanced.5.We produce as your drawing,sample or indicated details.