I bought this set there a year. steel is very high quality and cutting efficiency is real. there is no comparison with ordinary knives I had before. They compare favorably with "ceramic" knives. By cons must be obtained through the gun of the same brand Wüsthof TR4463 / 23 Rifle 23 cmpour keep sharp knives on top. View online how to sharpen knives! Once sharp, nothing can resist them (watch your fingers) .for my part I do not mix with other knives and leaves them in their cases. it is advisable to not put them in the dishwasher, but even if that happens once there is no problem because they are solid. A hand they are easy to clean because the handle has no asperity