MinoSharp Easy To Use Ceramic Water Wheel Sharpeners - for some people, learning the skill of intermediate sharpening with a ceramic or diamond rod is difficult. It is essential that you maintain your knives on a regular basis and it will be easier to maintain them for the long term. Global recommend the use of a water wheel sharpener called MinoSharp and MinoSharp Plus. These are hand held ceramic sharpeners and no experience or skill is required to use them simply fill the reservoir with water and run your knife backwards and forwards a few times. The revolutionary ceramic wheels ensure the blade is sharpened at the correct angle. Suitable for Global Knives Only