The ceramic knives are harder than any other cutting tools, except diamond and yet are lighter than steel. They also stay sharp for considerably longer than other knives. The Ceramic blade has a smoother surface than steel, enabling it to slice through any type of food effortlessly. This smooth surface also makes ceramic knives more hygenic. They are also corrosion free and neutral to taste making them an ideal solution in food preparation. These are massive i germany so jump aboard and own one of these hudge kitchens desires