Now you can maintain your wide and reverse scallop serrated knives at home with the Serrated Pull-Through Sharpener. Designed to be used with bread knives and ultimate utility knives, this sharpener will help return your serrated knives to top performance. Gently pull and push the knife through the sharpening slot with moderate downward pressure. Ceramic beads conform to the shape of knife's serrations to hone and resharpen.