Jewelers, gunsmiths and dental professionals all at some time have a need for small sharpening stones.
Spyderco's Slip Stone Ceramic File is fine-grit ready to debur hardened molds, even carbide. Comes packaged in a plastic tube. Clean with a plastic souring pad and powdered abrasive cleanser. They are autoclave safe.
- Ceramic File Slip Stone 15/32