Automotive diagnostic probe pen Small, non-destructive probe designed to avoid circuit damage while enabling precise tests. Part of the line test kit for reliable measurements in vehicle electrical systems. Attaching needle set Secure connection with the test return probe for accurate readings. Non-destructive probe pins provide stable, reliable contact during measurements. Multimeter cable set Well-made with thoughtful structure for professional and practical use. Comfortable handling and operation, includes needles for precise measurement and versatile testing. Piercing tools Small, compact and lightweight for easy portability. Portable enough to carry anywhere and use on the car wiring for quick access and testing. Use scenarios - In-vehicle fault finding: diagnose harness faults without removing insulation using the non-destructive probe pen and piercing tools for safe access. - Bench diagnostics: connect the multimeter cable set to control modules to measure voltage, resistance, and continuity with stable needle contact. - Field roadside checks: carry the set in a toolkit for quick, portable electrical tests on car wiring and connectors.