Kutzall Grit Half-Round Hand File - Fine 60 Grit, Tungsten Carbide Coating - 6" (152.4mm) Length - HR660 Long-lasting! Carbide coating outlasts standard rasps many times over. Handy! Multi-directional cutting action; great for confined spaces. Versatile! Use on wood, plaster & wallboard, fiberglass & other composites, pattern-making materials, rubber & polyurethane, sand cores, soft stone, masonite & more. Comfortable to use! Integral soft grip handle for ergonomic comfort. Many applications! Wood carving, stone carving, remodeling, boat repair, pattern shops, foundries; opportunities are endless.