Features and Benefits:Economical, accurate and simple method to find common causes of overheatingPinpoints external leaks caused by loose clamps or leaky hoses, connectors, water pumps or radiatorsDiagnoses internal leaks caused by a blown head gasket or damaged block or headTest radiator and coolant bottle caps to ensure they are maintaining the correct pressureContains adapters to test the cooling system and caps of most US and Asian manufactured carsIncludes:Mityvac Selectline hand pressure pump w/ 2” (50 mm) diameter gaugeSmall Bayonet Test Adapter, DeepSmall Bayonet Test Adapter, ShallowLarge Bayonet Test AdapterGM/Ford Test AdapterSmall Bayonet Cap Test AdapterLarge Bayonet/GM/Ford Cap Test AdapterConnection HoseCompression NutUser Manual (English, French, Spanish)