Test Lead 3ft Cable for Multimeters with Long Tip to Right Angle Banana Terminals with Protector (NB-425) Test lead set connects a compatible electrical test meter to a device for testing It is Super sharp, can easily through the cable cortex. But please dont force to the hard object. with distinctive comfort grip probes, heat and cold resistant with high safety ratings up to CAT II 1000 V. Meets International Electrotechnical Commission (IEC) safety standard 61010 and is certified for category III installations up to 1,000V