Klein Tools
2007 marked Klein Tools' 150th anniversary. In 1857, Klein Tools' founder and blacksmith Mathias Klein forged the first-known U.S.-made pliers in Chicago. Since then, Klein Tools has grown to be the leading manufacturer of a variety of hand tools and occupational protective equipment.
2007 marked Klein Tools' 150th anniversary. In 1857, Klein Tools' founder and blacksmith Mathias Klein forged the first-known U.S.-made pliers in Chicago. Since then, Klein Tools has grown to be the leading manufacturer of a variety of hand tools and occupational protective equipment.