Klein Tools
Klein Tools celebrated its 150th anniversary in 2007. Founder and blacksmith Mathias Klein forged the first-known U.S.-made pliers in Chicago, 1857. Since then, Klein Tools has become the leading manufacturer of a variety of hand tools and occupational protective equipment. Today, the Klein brand is the #1 preferred hand tool in the electrical industry, as well as one of the leading brands in the maintenance, construction, and industrial trades.