Note:Color random red, blue two colors! Fitment: 28PC Universal Radiator Pressure Tester & Vacuum Coolling System Kit,Equipped with 17 test caps for testing cooling systems on most domestic and import vehicles, such as Compatible With VW, BMW, Ford, Opel, Porsche, Audi, etc. Working pressure is from 0 to 35 psi. It will be a good helper in your daily life. Description: .