Three square saw files from PFERD are triangular tapered files with tang. The saw files are suitable for use on steel and cast steel and especially suitable for sharpening sawing tools. PFERD offers three square saw files in various versions and shapes. Triangular file, tapered with tang. Cut on three sides, round cut edges. Shape D according to DIN 7262. Suitable for sharpening saw blades. Single cut for general sharpening tasks. Files are supplied in industrial packaging without a handle.