3-Step Sharpening System - Emery notch for rough grinding, tungsten steel notch for medium-fine sharpening, ceramic notch for finer sharpening. SAFE TO USE - Perfectly adapted to the shape of your hand and with its pleasant-to-the-touch, non-slip grip, our knife sharpener offers optimal user comfort. EFFICIENT AND FAST - With this sharpener, you can sharpen your blunt knife at any time. WIDER APPLICATION - Suitable for most types of knives: kitchen knives, camping knives, pocket knives, hunting knives and other knives. DURABLE AND SOLID - High-quality components ensure long service life and ease of use. This kitchen knife sharpener is not suitable for serrated knives or scissors. Do not place the sharpener in the dishwasher. Clean the sharpener with water or a windshield wiper and dry it after use. Do not overpower and move back and forth when grinding. It is normal that sharpening may discolor some blades. Keep out of reach of children. Product size: 20.5 x 7.5 x 6.5 cm Quantity delivered: 1 piece,"