The knife sharpener for European, Asian, and American knives. The 3-phase diamond sharpening technology of the Chef's Choice 1520 AngleSelect offers a special variety depending on the type of knife. European and American knives with a 15° angle can be sharpened on level 2. Asian knives with a 20° angle are sharpened on levels 1 and 3. This allows for the creation of a specialized edge. Additionally, the device ensures a fast and ultra-sharp result. It is suitable for semi-professional use.