PFERD special files are designed for specific uses, such as for processing soft metals and thermosetting plastics, for deburring parts turned on a lathe, or for sharpening cutting tools. Half-round file, tanged with cut on two sides. Excellent filing performance due to the PFERD spiral cut on the half-round side. Designed to work well on soft metals. Special cut specifically designed for coarse stock removal on soft metals such as aluminum. Files come in industrial packaging without handles.