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 good economic value. Even after long use, PFERD files achieve high stock removal rates and an excellent surface quality. Triangular files, tapered to the tip with tang. Cut on three sides and three edges.