Multifunctional sharpener for steel and ceramic knives It has 3 blades: - diamond - designed for pre-sharpening ceramic knives - tungsten carbide - designed for pre-sharpening steel knives - ceramic - designed for final sharpening The body is made of durable and strong ABS While the comfortable handle with anti-slip base provides a comfortable and secure grip on the sharpener while working The removable working part allows you to easily and thoroughly wash the sharpener For sharpening steel and ceramic knives