For 200 years, PFERD has been manufacturing files of a world-renowned high quality. The experience gained over many years as a manufacturer is constantly used for the development of PFERD files. Application-oriented file shapes and cuts for industry and crafts guarantee good economic value. Even after long use, PFERD files achieve high stock removal rates and an excellent surface quality. American pattern files are large-sized file with uniform cut. They are primarily used for fast, controlled removal of material for shaping, deburring, and finishing applications. Key files are small files for light, delicate filing tasks, especially in tool- and die-making. Also commonly used on locks and keys, they are well-suited for electricians, mechanics and anyone engaged in precision work. Designed for filing pipeline welds and root passes, and for scale removal from pipeline.