3" fruit knife: Blade 78mm(L)x21mm(W)x1.6mm(T) Handle 107mm 4" utility knife: Blade 103mm(L)x24mm(W)x1.6mm(T) Handle 122mm 5" utility knife: Blade 128mm(L)x30mm(W)x1.8mm(T) Handle 130mm 6" chefs knife: Blade 153mm(L)x36mm(W)x1.8mm(T) Handle 130mm Ceramic knives are one of the newest types on the market. They are make out of very hard ceramic, such as zirconium dioxide. These knives have numerous advantages of other types of knives like stainless steel. Some of these advantages include Hardness, Weight, durability, and the ability to resist stains.