Product Description The Blademedic Knife Sharpener is the first Responder for Field Repairs on all types of Knife Blades. It’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. Product Features Tungsten Carbide-Three Or Four Strokes Will Restore Your Blade Ceramic Sharpening Rods-Polist To A Finished Edge In Three Or Four Strokes Serrated Knife Sharpener-Designed To Get Inside Even The Smallest Serrations Diamon Tapered Rod-For Fast Reconditioning And Maintenance