... 100Psi vacuum pressure gauge 3.Suitable for American/US valve Precise Double Units Kg/cm2 Psi Rubber Tube Vacuum Pressure Gauge Description:Design ... package/customers needs7.High quality precision machine core,measurement precision,high durability8.Mark KBS LBS two pressure units,suggest reading ... tyre pressure4.If tire pressure is insufficient,pls gas;If tire pressure is too high,pls press down the ...