Safe and easy to use, this two-stage knife sharpener from Wusthof requires nothing but a few easy strokes to keep blades sharp. Its V-shaped cutting head with two crossed carbide blades puts a quick edge on knives, and it's stylish black exterior will look great in any kitchen. To use, simply place this gadget on a flat work surface and hold the handle with one hand and the knife handle with the other. Insert the knife blade fully into the slot at a 90-degree angle to the sharpener and pull back a few times to sharpen. After setting the knife's edge with the carbide side, use the unit's ceramic side to nicely finish the edge. With a rubber base for non-slip grip, it also has an E-Z grip handle designed for comfort.