How to Sharpen a Sandrin Tungsten Carbide Knife with the KMFS Rival System Media

While our Polyhedral Tungsten Carbide blades do hold an edge for a very very long time, they may need to be sharpened after a lot of heavy use. We have found the FMFS Stealth Rival system and stones to be very effective at restoring the edge of our knives. Follow these instructions to use the Rival Sharpening system or similar systems to sharpen your Sandrin Knife.