Warthog V-Sharp Extreme Edge Diamond SharpenerThe V Sharp XE (Xtreme Edge) is the worlds first adjustable, freehand, precision knife sharpener that sharpens your knife at a consistent angle every time. It uses two high quality, 325 grit natural diamond honing rods that sharpen the blade on both sides simultaneously. Ideal for Kitchen, Fillet, Hunting, Woodcarving and most other flat blade knives.