You are bidding on a mechanic's sonarscope .
locate source of engine noise quickly
listen for trouble
tracing sound and flowing water,oil
identify gas or steam
Effective whenever trouble can be traced by sound.
Can easily locate and isolate troubles in engines and other moving parts by listening for sound of flowing, gas, oil, etc.
Identify Piston slap, worn gears, faulty valves, waterpump failure, damaged gaskets and defective bearings.
The handle is shock proof and disassembles for storage.