Features::
This mechanical sonar helps isolate engine problems so you can hear inside the engine. You can use all parts of the engine, bearings, motors, chassis, transmission, etc. monitor. It is suitable for cars, ships, aircraft, machine tools and other mechanical equipment.

Recognizable frequency range: 10 Hz - 10 kHz
Material: rubber, plastic, stainless steel
Size: 75cm
Product type: Auto-Cylinder-Stethoscope
Suitable for: Tester for motors, bearings, axles, gearboxes, machine
Long needle: 250 mm
Short needle: 80 mm

Package Included:
1 x Car engine stethoscope