Wüsthof Pull Through Sharpener (+Asian)

First, use the carbide sharpening slot to smooth irregularities and refine the angle of the blade edge. Next, the knife can be drawn through the ceramic sharpening slot to finish honing the blade to a refined, razor-sharp edge.Because it can be switched easily between standard and Asian blades, this is the only sharpener you need to keep all your premium kitchen knives sharp.