The Work Sharp EDC Pivot PLUS Knife Sharpener is a fast, easy and effective way to sharpen any knife you own. Convex-Carbide(TM) quickly restore a sharp edge; while the fine grit ceramic rods hone the edge back to factory level sharpness. Pivot-Response(TM) allows you to control how much material is removed when sharpening; making it easier and more consistent. Tapered Diamond Rod is ideal for touching up serrations or fine edge tools. Compact size easily stows in your pack, pocket, tool or tackle box so you can always have a sharp edge when you need it. This sharpener is a must have for any knife owner.