The Penetrator High Performance tip from Power Probe comes designed to stay sharp longer than any other probe tip on the market, according to the company. It will provide highly stabilized readings and will bite though oxidation with less effort. The Penetrator comes also arc resistant and features a 4mm standard banana jack to bring test equipment to a higher level of stabilized readings. This package also comes with a 5" Extender to increase its reach and a 4mm standard banana jack.