The sharpener has 4 compartments, including one for scissors. 3 manual sharpening levels with diamond, tungsten and ceramic notches, suitable for all ceramic and stainless steel knives to give it its sharp profile after sharpening. Ergonomic design makes sharpening much safer. Good grip which allows you to sharpen your knives while leaving your fingers safe. The sharpener is an ideal product to ensure the longevity of your knives, an ally of size. It is suitable for all types of straight edge steel knives (not suitable for ceramic knives and serrated blades). Including all steel knives and slicing knives, fruit and vegetable knives. Can choose the sharpening method you want in the sharpener You just need to put them on the sharpener and take it out several times. It will become very sharp, like the new ones. The comfortable handle keeps your hand securely away from the moving blade throughout the sharpening process.