Detailed Product DescriptionProduct Name:Compression Gas SpringsApplication:Auto,Website:http://www.cncospl.com, Furniture, Medical Equipment, IndustrialLoad Type:Gas CompressionInside:NitrogenMaterial:SteelLift Time:150000timesStyle:CylinderColor:BlackKSP-YQ-57 Nitrogen Compress Locking Gas Lift Springs With Metal Bracket Specifications:  Tube diameterPiston rod diameterstrokeForce(N)12420-5040-20015650-15040-300186/850-250100-600196/850-250100-600228/1050-350100-8002510/1250-450100-10002710/1250-700100-12002812/1450-700100-1500Description:Namegas spring  Quality 1. 100,000 times -passed  fatigue test 2. materail test by UTS 3. Passed ISO9001 International Quality System Certification Use Automobile;Auto,car;Furniture;Machines,mechanical equipment; Boat,container,etc. Material steel/45, Piston nitriding or chromate, tube painted Color black Connector ball connector/metal eye/clevis and so on or according to the following joint chooseAdvantage 1. pass 100,000 times fatigue times 2. we can supply samples for free 3. Competivite price  4. Fast delivery time:15000 pcs 7 days The size can be made according the customer requirment.