... shake, 2.Various shaped connection parts are available. locking gas pressure spring,controllable gas spring ProductsNameGas spring/gas lift/gas cylinder ... :2008, ROSH, SGS, (Fatigue Testing, Low & High Temperature Test, environmental test, ect )TypeCabinet gas spring, bed gas lift, Auto gas spring ... Long Term Cooperation.Welcome your inquiry anytime. Usage: locking gas pressure spring JL4006