Blackceramic knife in ABS spray soft rubber Advantages: Hardness: The only thing that is harder than the material used to make these knives is a diamond. Ceramic knives are much harder than steel. Weight:These knives generally weigh less than half of what other knives weight. This will reduce the amount of fatigue you feel when perform cutting tasks repeatedly. Durability: Ceramic knife stay sharper for longer periods of time than stainless steel knives. Ceramic knives can usually go years without needing to be sharpened and it will never rust. Stainless:Ceramic knifeis insusceptible tofood acids, so they will never become discolored. Many knives also come with a non-stick surface, so they can easily be cleaned. Chemically Inert: Ceramic knifewill not add metalic taste or smell to food.