Nortonindustrial 61463686600 Hard Translucent Arkansas Square Abrasive File HF43 3-Inch x 0.5-Inch. UltraFine Norton Abrasive Slips Impart the Finest, Most Uniform Finishes on Curved Knives and Tools, Molders Knives, Wood Gouges, Bead Planers, and Carbidetipped Tools. These Fast-acting Slips Hold Their Shape and Are Long Lasting The Crystolon and India Stones Are Designed for Preliminary Sharpening and the Norton Hard Translucent Arkansas Stones Are the Choice for Achieving the Finest Finish Possible