- Provides a fast and easy way to locate noises in engines or bearings and other moving parts
- Plastic earphones shut off outside noises
- Aluminium alloy probe/needle for finding the exact location of specific noises
- High quality surgical PVC & rubber parts for increased sound definition
- Instrument is shockproof
- Ideal for pinpointing unusual vibrations or suspected leaks (valves, piston rings, gaskets,etc.)