Features: Fine Point Design: The 0.7mm slender point accurately penetrates insulation layers, ensuring effective testing without harming conductors, perfect for sensitive circuit examinations. Strong Build: Crafted from high-quality steel and plastic, the tester offers excellent resistance to corrosion and wear, ensuring service functionality and reliability. Wide Compatibility: Works with standard measuring tool, enabling users to check electrical properties, suitable for automotive, household, and electronic equipment servicing. Quick Connection: Features a 4mm plugs for fast and easy attachment to testing devices, simplifying the testing process and enhancing repair efficiency. Convenient Size: Its moderate size allows it to be easily stored in tool case, making it a practical choice for mobile automotive and electrical testing, ideal for experts and enthusiasts. Specifications: Material: steel probe, plastic shell Size: length : 82.5mm/3.25inch & 78.5mm/3inch Electrical parameters: 30VAC-60VDC/.1Amp Package Includes: Pair Puncture Test Line Probe note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.