Lisle 75500 Combustion Leak Detector Ear Plugs Channellock uses high-carbon steel for

Channellock uses high-carbon steel for superior performance on the job and specially coated for ultimate rust prevention

Size conveniently stamped on both ends of the beam for quick identification

The hex shank on the drill bits helps prevent slipping in the drill chuck

Crown Victoria

Manufacturer : SAS Safety Corp

Lisle 75500 Combustion Leak Detector Ear Plugs Channellock uses high-carbon steel forQuickly Pinpoints Combustion Leaks. Checks for combustion leaks caused by bad head gaskets, cracked blocks, and cracked or warped heads. Fluid changes from blue to yellow when exposed to combustion gases from the radiator. Connect the hose to any vehicle vacuum line. Or, on tools made after June 2002, use the adapter with no cross hole with a hand vacuum pump. Place tapered end of tool into radiator opening. With the engine running, the vehicle vacuum