Smith's Pocket Pal X2 Sharpener and Survival Tool 50364
The Pocket Pal X2 is a great sharpener that is especially suited for adventure and survival. The sharpener is a pull-through style with course carbide rods and fine ceramic rods to get a nice clean edge. For serrations and hooks you can use the folding tapered diamond sharpening rod.
Above and beyond just sharpening, the Pocket Pal X2 features a compass, fire starter, LED light, and whistle.