Designed to keep your knives in optimal condition, the MasterClass Smart Sharp Knife Sharpener is a versatile tool that provides professional-grade sharpening. Featuring two cutters, the tool has a tungsten steel sharpener for stainless steel knives and a ceramic sharpener for ceramic knives, as well as fine honing of stainless steel knives. This professional knife sharpener is suitable for both straight and serrated knives, ensuring that your knives are not only sharpened but also honed, giving them a razor-sharp edge that lasts longer. - SPECIALISED CUTTERS: knife sharpener for both stainless steel and ceramic knives - VERSATILE TOOL: suitable for both straight and serrated knives - SHARPENING AND HONING CUTTERS: for smooth and sharp results - SUCTION GRIP: ensures the perfect stability and control to prevent accidents - USEFUL INFO: wipe clean only; use on a sturdy, flat surface. Includes a 10-year guarantee