A fully tempered knife, which guarantees greater durability in the cutting edge and greater resistance to corrosion, and due to its hardenability characteristic, it does not scratch the porcelain. It is entirely made of stainless steel, it maintains its original characteristics, preserving the beauty, hygiene and durability of the material. The knife is suitable for daily use, blends in with any environment. It can be washed daily in the dishwasher.