Allows easy testing for leakage in radiator system and quick change of coolant.; Unit is suitable for domestic and import vehicles.; Color coded radiator test cap makes it easy to choose the suitable test cap for the job.; Special design of vacuum purge & refill tool connection fits nearly all type of radiator openings.; Set includes: 1pc Gauge : Test Range 0 ~ 2.5 bar.; 1pc Blue Test Adapter and 1pc Black Test Adapter to test original cap leakage; 16 pieces Radiator Tester Caps; Radiator Purge and Refill Tool; Applications: Mercedes Benz, GM, Jeep, Peugeot, Subaru, Chrysler, Acura, Mitsubishi, Nissan, Mazda, Toyota, Infiniti, Geo, Suzuki, Isuzu, Honda, Lexus, Volvo, Saab, Citroen, Renault, Fiat, Alfa, Mini Cooper, VW, BMW, Ford, Opel, Porsche. Audi, etc.