This premium 4-in-1 kitchen knife sharpener is positioned for its high performance and cost-effectiveness, making your knives as good as new easily.^ Complete 3-stage system (Coarse, Medium and Fine) helps to sharp ANY BLADES you want, includes kitchen knife set, chef knife, butcher knife, paring knife, boning knife, pocket knife etc. But EXCEPT serrated blades and ceramic knife.^ This manual kitchen knife sharpener also comes with scissors sharpening slot for your convenience. Great for sharpening all kinds of scissors.^ The black knife sharpener is really effective and easy to use, you can hold it in one hand, and other hand you need to pull your knife backward in first, second and third slots 5-10 times each.^ Perfect Size - 7.5L x 1.7W x 2.8H in. Solid and durable ABS plastic appearance allow you to sharpen knives and scissors for years.^