Auto Maintenance Tool – Built with durability and reliability to ensure long service life. This metal tester and hearing tool is designed specifically for automotive applications, helping mechanics quickly and accurately diagnose issues in vehicles. Auto Cylinder Tester – Precisionengineered instrument capable of identifying internal engine noises with accuracy. Ideal for pinpointing mechanical problems within the engine, offering valuable insight for effective repairs. Mechanics Multifunction Tester – Versatile design allows testing of a wide range of mechanical equipment beyond automotive engines. Suitable for engines and machinery in various workshop environments, enhancing overall diagnostic capabilities. Car Engine Compatibility – Works with numerous brands and models of automobiles, making it a practical choice for professional mechanics and car enthusiasts who service different types of vehicles. Key Benefits: precision noise detection for accurate fault identification. Rugged, durable construction for longterm reliability. Multifunction design suitable for both automotive and other mechanical systems. Wide compatibility across many car brands and engine types. Material and Build: Constructed from strong, longlasting metal components to withstand regular workshop use. Engineered for consistent, repeatable performance in demanding conditions. Performance: Provides clear diagnosis by detecting and interpreting internal engine sounds, helping to reduce troubleshooting time and improve accuracy. Use Scenarios: 1. Diagnosing unusual knocking sounds in a car engine to determine potential wear or mechanical faults. 2. Testing machinery components in a workshop to detect bearing or gear issues before failure. 3. Checking multiple vehicles of different makes during routine maintenance to quickly confirm engine health. This tool delivers dependable diagnostics for a wide range of mechanical systems, making it a valuable addition to any mechanic's toolkit.