Spyderco's 400F Ceramic Files include the following shapes: round, square, triangular, and slip. All four stones are fine-grit and ready to debur hardened tools, molds, and even carbide. Sold as a set of four and packaged in a snap-front suede pouch. Clean with a plastic souring pad and powdered abrasive cleanser. They are autoclave safe. 6"L x 3.5"W x .5"H. Files are 5" long. FeaturesRound, square, triangular, and slip filesSnap front suede pouchAutoclave safe