Features and Benefits: * Small pin allows self-healing of the insulation * CAT IV 600V, CAT III 1000 V, 5 A rating * UL listed * Single probe pierces 0.25 to 1.5 mm insulated wire * One year warranty This insulated clip pierces 30 to 14 AWG insulated wires with an extremely small, hardened pin, to allow for maximum integrity of the insulation. It requires either TL22 or TL24 test leads 1000V overvoltage installation CAT III per IEC-1010, 5A rating. For use only with shrouded test leads having standard diameter banana plugs. One probe per package.