Clean sharpener: Diamond sharpener sharpens all knives to ensure a clean sharpening effect. The oval sharpener treats the blade gently with a special diamond coating.The ergonomic round plastic handle is non-slip and easy to grip. Diamond blade, plastic handle with hanging pin, metal projection at the end of the handle.Gently by hand: sharpen the knife at a 20 degree angle 2 - 3 times from the tip of the blade to the tip.The process is then repeated on the other side of the blade. Everything: kitchen knives, chef knives, folding knives, pocket knives, meat knives, cake knives, round knives, damask steel knives, from a knife to a bread knife or scissors, steel barsDiamond coated steel sharpens everything!The diamond coating of the sharpener allows the resharpening of different types of knives such as kitchen knives, bread knives, damask knives or ceramic knives. Smooth sharpening blades can be cut easily and cleanly using a sharpener.This material is very strong and wear-resistant and can last for many years.