Mermaid tail, excellent quality These automotive stethoscope tools are made of stainless steel with a matte finish that resists rust and remains durable. A reliable choice for professional use. Key benefits - Quick detection of abnormality: Quickly locate the source of unusual engine sounds by tracking the flow tone of water and steam, helping you assess engine issues efficiently. - Oil and steam tracking: Monitors the flow noises of water, oil and steam to help evaluate cylinder abnormalities, while remaining simple to operate. - Easy to clean: Easy maintenance—simply wipe with a cloth and warm soapy water. How it works - The stethoscope design focuses on listening to flow-related noises inside the engine to identify abnormal conditions. - By tracking water, oil and steam flow tones, you can infer the health of engine cylinders and related components. Use scenarios - Automotive repair shop diagnostics: Quickly identify the source of abnormal engine noises in gasoline or diesel engines to guide repairs. - Routine engine maintenance: Monitor cylinder health during service intervals to catch issues early. - DIY or field diagnostics: Ideal for at-home checks or on-the-road troubleshooting to assess engine performance. What to expect - Material: Stainless steel with a matte finish for durability and corrosion resistance. - Function: Medical-style listening tool adapted for automotive engine diagnostics, emphasizing water, oil and steam flow noise. - Performance: Designed for straightforward use, enabling fast localization of abnormal engine sounds and assessment of cylinder conditions.