Product Description Single set of parallel, diagonal rows of teeth, Single cut files are often used with light pressure to produce a smooth surface finish or to put a keen edge on knives, shears or saws From the Manufacturer Mill bastard files with handles measures 6 inches, with a slight taper in width. For sharpening mill or circular saws and for draw-filing and finishing metals. Features a rectangular shape and is square on two edges. Single-cut on sides and edges.