The materials that makes up a ceramic blade is very hard so it will not be rusty. ABS handle ceramic knife brings you comfortable feeling when using. The exceptional hardness of the blade makes the edge superbly sharp. Special design for full hand force with minimal effort. This 5" ceramic kitchen knife is perfect for slicing fruits and vegetables and other precision cutting tasks. - Stays sharp longer than stainless steel knives - Lightweight and perfectly balanced - Red ABS handle - Never rusts and will not taint food with metallic taste - Whole length of the knife: 25cm