The Blademedic Knife Sharpener is the first Responder for Field Repairs on all types of Knife Blades. ItÂ’s like having an entire Sharpening Kit right in your Pocket-Able to tackle Regular or Serrated Blades, Gut Hooks, Hunting, Fishing, just about any Knife.Diamond Tapered Rod-For Fast Reconditioning And MaintenanceTungsten Carbide-Three Or Four Strokes Will Restore Your BladeCeramic Sharpening Rods-Polish To A Finished Edge In Three Or Four StrokesSerrated Knife Sharpener-Designed To Get Inside Even The Smallest SerrationsThe tapered diamond rod will finish any edgeIncludes 4 specific sharpening featuresTapered diamond rodN/A