Powerful Functional Design 4 different options have been thought out for you. The added scissor slot makes this knife sharpener more powerful than other traditional knife sharpeners. The other three grinding slots arecoarse - medium - fine. The coarse cut is for very dull knives; Medium sharpening is suitable for daily sharpening and fine sharpening to maintain knives after fine sharpening. Ergonomic designKnife sharpeners are small, light and space-saving. The principle of balance, the ergonomic professional handle and the large non-slip EVA pad on the underside increase the resistance between the sharpener andthe table to avoid slipping during the sharpening process and to allow safe and comfortable work. High Quality MaterialThe stainless steel handle and bracket, combined with the ABS plastic on the outside, form the perfect shape for the sharpener. Grinding slots were made of high quality tungsten steel, emery and ceramic. Convenient and UsefulThe knife sharpener is suitable for a variety of knives, such as bone cutters, slicing knives, paring knives, fruit knives, multi-purpose scissors, etc. This covers your daily needs.