Detailed Product DescriptionProduct Name:Lockable Gas SpringsApplication:Chair ,Website:http://www.cncospl.com,car, MachineLoad Type:Gas CompressionInside:NitrogenMaterial:SteelLift Time:150000timesStyle:CylinderColor:BlackKSP-JKQ-40 Various Durable With Control Handle High Quality Lockable Gas Spring For Adjust Chair's BackDescription:1.1mm-thickness tube instead of o.8mm to support better 2.45 # carbon steel for the rod to be more durable and  intensified3.All internal parts with the use of wear-resistant plastic4.Stayed at any place while moving ( For lockable gas spring)5.Rebounce quickly or slowly as required6.Better support and loadSpecifications:Sample1. 48 hours for stock2. 3 days for non-standard product after drawing confirmedSAMPLES AND E-CATALOGUES ARE FREE TO SENT TO YOUOur Services1. Outstanding R&D ability(including product development and mould development)2. Great pre-sales and after-sales service3. OEM for purchaser's requirment