Spyderco Ceramic File Square Sharpening Stone

Spyderco's 400F Ceramic Files are available in the following shapes: round, square, triangular, and slip. All four stones are fine-grit and ready to debur hardened tools, molds, and even carbide. Clean with a plastic souring pad and powdered abrasive cleanser. They are autoclave safe. FeaturesRound, square, triangular, and slip files (sold separately)Autoclave safe