CAT SAFETY RATED - PIERCING NEEDLES ARE SHARP- The test probes have a high safety rating of 30VAC/60VDC Max and a current rating of 5A to ensure they can be used safely in a variety of environments such as manufacturing, commercial, electrical and engineering applications. HEAVY DUTY, SAFE AND SUPERIOR QUALITY - an upgraded version of the threading probe. The multimeter lead probes are made of hardened stainless steel, resistant to cold and high temperatures, making them extremely durable and more flexible to use. Spring loaded double ‘V’ clips hold the wire in the centre for piercing the needle. 2MM/4MM BANANA PLUG - The Insulation Piercing Clip comes with a 2mm/4mm banana socket that allows the user to connect all standard 2mm/4mm banana plug test leads into which the voltage measurement cable can be easily plugged for easy measurement. EASY TO USE-First turn the thread to loosen the probe and adjust the spring clip to secure it to the wire to be tested. Next, insert the multimeter pen into the tail socket and finally measure the voltage with a voltmeter. The small hole in the insulation can be easily sealed. ERSATILE AND RELIABLE - The wire piercing probe kit provides a versatile solution for voltage testing and automotive circuit inspection. Whether you are a professional electrician or an automotive enthusiast, these probes provide a reliable and efficient way to troubleshoot electrical systems, ensuring accurate measurements and efficient diagnostics. Wire Piercing Probe, Insulation Piercing Clip Set, 2mm/4mm Push Banana Plug Multimeter Test Leads for Multimeter Voltage Testing Detect Automobile Electrical Circuit