IVY Classic’s 8-Inch Mill Bastard File features single-cut parallel diagonal rows of teeth on sides and edges. The Power-Pro Grip Handle is co-moulded to add comfort and relieve stress on the hand. This product is an American pattern file manufactured from carbon tool steel with a Rockwell Hardness greater than 62. Use this file by applying light pressure to slowly remove material for sharpening metal cutting tools. This Mill Bastard File is 8 inches in length excluding the tang and rectangular in shape with a taper. IVY Classic Industries is dedicated to producing a comprehensive, quality line of power tool accessories and hand tools.