Lisle 52750 Stethoscope Kit
Brand: Lisle
Color: U.S.
Dual Purpose Set Detects Both Mechanical and Air Induced Sounds
Use the black diaphragm chamber and screw-in metal probe to detect mechanical sounds from bearings, engines, transmissions, etc
For air induced sounds, attach the vinyl hose to the hollow tube and funnel assembly
The funnel amplifier will detect noises from vacuum leaks, exhaust leaks, air leaks and wind noise.
For hard to reach locations, remove the funnel and use the hollow tube