1,120,000 times quality guarantee. 2,It used in many import cars,such as Toyota,BMW,vw 3,beauty cover and safe to use it Typically gas spring have a low compression rate ,but if required this can be increased .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 ...