Achieve flawless finishes on the hardest materials with this Heavy-Duty Diamond File Set. Featuring 10 precision-shaped files with industrial-grade diamond coating in coarse (120), medium (260), and fine (400) grits, this kit handles everything from aggressive stock removal to mirror polishing. Perfect for metalworkers, jewelers, gunsmiths, and hobbyists working with hardened steel, carbide, glass, ceramic, and stone. Includes a durable storage case to keep your tools organized and ready for action.