Introduction of tool grinding hole：Depending on the sharpness of the blade, the hole can be selected on demand. The rough hole made of tungsten steel alloy is suitable for daily sharpening, the fine hole made of emery is suitable for the knife with just edge, and the fine hole made of ceramic is suitable for polishing the knife, the bottom hole fits the scissors Scope of application：It is suitable for big knives and small knives, including bone knives, slicing knives, fruit and vegetable knives, scissors, but it is not suitable for serrated knives, axes, swords, pedicure knives, butchers and knives with notches Product design features：Beautiful appearance, decorative kitchen, can be hung to receive, kitchen clean and tidy.Round shape, fitted to the hands, the bottom with a non-slip pad, stable non-slip. Lower pressure type sharpening knife, easy labor-saving, easy one whet, blunt knife as new. Use suggestions：One-way draw sharpening. Please keep constant speed, moderate strength, do not swing from side to side so as not to damage the blade. Keep out of reach of children to avoid accidents. It is a normal phenomenon that the position of the white ceramic core-sharpening tool will be blackened when it comes into contact with the blade