Ask an avid DIYer, a mechanic, or any repair professional what he has to have in his toolbox, and he’s sure to tell you about tried-and-true staples like duct tape, WD-40®, and of course J-B Weld. For more than 40 years, our products have earned a loyal and enthusiastic following from the people who take pride in their work. They know our products bond strong to a variety of surfaces in even the toughest environments. And they have always been made in the USA.