Spyderco Ceramic File Round Square Slip/Triangle - w/ Pouch Knife Sharpening System. This Knife Sharpener from the product experts at Spyderco has a fine-grit and is ready to debur hardened molds even carbide. The Spyder Co. Triangle Ceramic Knife File Sharpening Kit can be cleaned with a plastic scouring pad and powdered abrasive cleanser and is completely safe to use in autoclaves. This Spyder-Co Knife File comes packaged in a plastic tube that is guaranteed to keep it safe from damage. For an amazing way to ensure the sharpness of your knives choose the Spider Co Ceramic Knife Sharpening Triangle File. Features of SpyderCo Triangle Ceramic File for Knife Sharpening: Great for jewelers gunsmiths and dental professionals Fine Grit Comes with plastic tube Ready to debur hardened molds and carbide Clean with a plastic scouring pad and powdered abrasive cleanser Autoclave safe Package Contents: Spyderco Triangle Ceramic File - Knife Sharpening System Spydercos ceramic files are specifically designed for sharpening small detailed tools like woodcarving tools gouges and dental devices. They are also used by gunsmiths for trigger jobs deburring and detail finishing. This set includes round square triangle and slip (teardrop) shapes and comes in a handy suede snap-close pouch. Our ceramic files are easily cleaned with household cleanser a scouring pad and water. Made in the USA