At Insulation4US, we offer a wide range of wire piercing probes. Our wire piercing probes are designed to make it easy to connect electrical wires without having to strip the insulation first. This is a great time saver for both professionals and do it yourselfers. In addition, our wire piercing probes are made from high quality materials that are built to last. We also offer free shipping on all eligible orders, so you can be sure you are getting the best possible deal.