1,This gas spring were instal in car .such as toyota,vw,bmw 2,120,000 times quality guarantee We are looking forward to cooperate with you, we will provide best service to you.if you want ,pls let us know the parameters .specifications:Usage: Toyota automobile.Features: 1, Gas: Nitrogen filled inside. 2, Color : black,silver,or as clients request. 3,Quality: We can provide fatigue test report. ...