... onPackage 1pc/poly bag,50pcs/water proof cartonManufacturing specification for reference: Type Tube diameterPiston rod diameterstrokeForce(N)Compression gas ... -450100-10002710/1250-700100-12002812/1450-700100-1500Application: 1), car trunk, bus luggage, automotive accessories yacht, Toyota parts2), furniture ... ,gas struts and door closer. pictures: gas spring for TOYOTA/car use compression gas strut