Wusthof Asian Edge Knife Sharpener : With just a few quick strokes, the Wusthof Asian Edge Knife Sharpener restores dull santoku, nakiri and other Asian knives to razor-sharp condition. The two-stage manual knife sharpener features sharpening rods that are preset at the correct angles just for Asian-style blades. The Asian knife sharpener's first stage carbide slot (coarse) resets a dull blade and the second stage ceramic slot (fine) finishes the edge to a honed, polished sharpness. Reasonably sharp knives may only require light honing in the fine ceramic stage. Lightweight and easy-to-use, the Wusthof Asian edge knife sharpener is compact for easy storage. Wipes clean. Product Features Restores dull Asian knives, including santoku and nakiri, to razor-sharp condition in just seconds Sharpening rods are preset at the correct angles just for Asian-style blades Two-stage system's coarse carbide rods and fine ceramic rods set and finish the edge Sleek molded plastic housing for long-lasting durability Exceptionally safe and easy to use -- no special training required Soft grip handle for added comfort Nonskid rubber feet ensure stability Compact for easy storage Wipes clean Limited warranty