Listen to your engine with the sensitive engine stethoscope Whether in a workshop or for roadside assistance—the MSW-CA-117 engine stethoscope is an effective tester that detects noises effectively and quickly on engines and other vehicle parts. The easy to interpret test results allow the maintenance or repair of engine components such as valves, bearings or pistons as well as on the alternator, differential or body. The stethoscope optimally complements your motor adjustment tools from MSW! Universal—for professional fault diagnosis on a wide variety of components Effective—professional device for fast and clearly perceptible test results Variable—up to six probes can be used via an amplifier Comfortable—padded headphones for a pleasant work Mobile—practical transport case for use on the go and for storage