Mannesmann (Brüder Mannesmann Werkzeuge) is a German company that began with the 1885 invention of a process for making seamless steel pipes by the Mannesmann brothers, and is now known for its "Brüder Mannesmann Werkzeuge" line of tools for the professional, trade, and DIY markets.
The company has a long history of innovation, and its legacy is connected to both toolmaking and steel production, specifically seamless pipe production.
