Dual Purpose Stethoscope Kit

• 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