Advanced nondamaging piercing technology preserves circuit integrity during testing and reduces the risk of wire insulation damage and stripping. Compatible with 2 mm and 4 mm banana plugs for universal multimeter connectivity. Nickelplated copper cores with PA housing deliver conductivity and oxidation resistance. The corrosionresistant, durable design ensures longterm reliability in harsh environments. Ideal for automotive technicians diagnosing vehicle electrical systems and electronics hobbyists repairing PCBs, providing professional performance for precise measurement tasks. Suitable for workshop diagnostics, outdoor equipment maintenance, and industrial troubleshooting where capability and equipment preservation are critical. Use scenarios Automotive diagnostics: investigate battery health, alternator output, and wiring harness conditions without compromising insulation. PCB and electronics work: probe delicate traces and components to obtain accurate measurements during repairs. Field maintenance: service outdoor equipment or industrial control panels onsite, preserving equipment while performing precise tests.