Versatile application Experience reliable, versatile testing with multimeter needle probes designed for electrical diagnostics, HVAC systems, industrial equipment testing, and automotive troubleshooting. They enable accurate measurements across a variety of environments, making them suitable for professionals and DIY enthusiasts alike. Engineering 0.7 mm stainless steel needle tips paired with insulated plastic handles provide precise readings while enhancing electrical safety. The slim tips access tight spaces and small connection points with confidence during complex testing tasks. Complete 4color set Includes red, black, yellow, and green probes. Color coding helps you quickly distinguish test points and circuits, improving workflow efficiency and reducing the risk of connection errors during multiwire diagnostics. Standard 4 mm banana compatibility Features standard 4 mm banana plugs that connect seamlessly with most multimeters and test equipment, ensuring consistent performance across devices. Use scenarios Automotive diagnostics: test battery terminals, sensor connectors, and wiring harnesses to verify voltage and resistance without removing components. HVAC maintenance: diagnose control boards, transformers, and circuit points inside tight electrical panels where space is limited. Industrial equipment testing: inspect terminal blocks, control panels, and PCB test points in crowded enclosures to confirm connections and functionality.