Gerber Field Knife Sharpener The Gerber Field Knife Sharpener is a small lightweight sharpener than you can easily carry with you on the go or store tightly away. This product offers fine ceramic insert and coarse carbide insert to help you sharpen the edges of your knife. Plus, this sharpener also features two rod shaped diamond-coated sharpeners allowing you to sharpen the serrated sections. No more need to worry about your sharpener slipping while in use, the rubber handle ensures a secure grip during any weather condition. The hard plastic cover is great for storing safely anywhere you may need. This sharpener comes equipped with a Priorities of Survival Guide for those times when you are stuck in sticky situations. Order the Gerber Field Knife Sharpener for your favorite knife today and never have another dull moment!