6/1 Knife Sharpener

6 In1 Knife Sharpener, Has Tungsten Carbide Blades For Quick Edge Setting, Preset Optimal Sharpening Angle, Ceramic Blades For Fine Honing, Tapered Diamond Rod For Grooves For Serrations, Gut Hooks & Fishing Hooks, Integrated With Fire Starter, High Pitched Emergency Whistle, Built In Lanyard Hole.