Very good ceramic knives, quality close to that of the most popular brand, imported from China by a French manufacturer of steel knives. Complete a steel knives battery but do not replace them. The use is different. A cutting board made of wood or plastic is required. The ceramic knife, very sharp, is convenient for easily cut thin slices of sausage, tomatoes or a steel knife could crush ... The steel knife is much more suited to detach an oyster in its shell open , open a shell Jacques saint, cut a chicken, peel an apple, peel an onion ... Do not let a child use a ceramic knife: high risk of injury.