6 Triple-edged bevel Knife cutting tool allows you to fine tune your gripping holes while in competition. This triangular Hollow scraper tool allows you to fine tune your gripping holes. Smooth sharp edges for a cleaner release, hardened and tempered. Hollow cutting edges to stay sharper longer, Re-sharpens easily, Hardwood handle. Also used in Intaglio, Printmaking, plumbing and all purpose needs.