... ect 2. Features: 1, Gas: Nitrogen filled inside. 2, Color : black,silver,or as clients request. 3,Quality: We ... can provide fatigue test report. Our products can open and close 100,000 times, Not leak oil ... and easy installation. 6,Resonable price, excellent quality,delivery soon,good service. 7,MOQ: 500PCS.3 ... your appionted forwarder. Factory supply high quality Locking Gas Spring JL4007