This sharpener is quick and easy to use. The handle is comfortable and it gives my knives a clean and sharp edge. The units material is high grade and has the required cutting stages -coarse and fine for standard and asian profiles. It's compatible with all of my cutlery
I have always known zwilling brand is a trusted product. It maybe pricey but quality wise it's worth it. My mother had this type of kitchen knife (knives) long time ago.