TR-58 is a part of the Piergiacomi brand of tools, which is a manufacturer of high-quality tools for professional use. TR-58 is a multi-tool that features a variety of tools including pliers, wire cutters, screwdrivers, knives, files, saws, and assorted screw bits. It also has an adjustable blade and comes with a pouch for easy transport. This multi-tool is made of high-grade stainless steel and is designed to last a lifetime of use. It is extremely durable and perfect for any kind of professional work.