Precise and safe testing 0.7 mm slender point penetrates insulation layers accurately, enabling testing of circuits without contacting or damaging conductors for sensitive circuit examinations. Durable construction Strong build crafted from steel provides excellent resistance to erosion and wear, supporting long service life and reliable performance. Broad compatibility Works with standard measuring tools, allowing users to check electrical properties across automotive, household, and electronic equipment servicing. Fast and easy connection 4 mm plug enables quick attachment to testing devices, simplifying the testing process and improving repair efficiency. Practical applications - Automotive electrical diagnostics: inspect wiring harnesses and sensor circuits without risking conductor damage. - Household appliance servicing: test power cords and internal wiring to locate faults efficiently. - Electronic equipment repair: assess PCB traces and connectors during sensitive circuit examinations. Key attributes Function: insulation-penetrating test tip with safe, precise contact Size: 0.7 mm tip diameter Material: steel Performance: erosion and wear resistant Compatibility: standard measuring tools Connection: 4 mm plug for fast setup