SonoscopeSuper sensitive sound detector, with a built-in diaphragm which amplifies noise, for assisting in the diagnostic processRobust metal and plastic construction, with 550mm hose and 290mm probeHelps to diagnose many vehicle problems, including:- Noisy water pumps- Faulty wheel bearings- Alternator and power steering problems- Air conditioning compressor bearings- Camshaft and crankshaft knocks- Noisy tappets etc