Professional electric knife sharpener, high-quality knife sharpener suitable for repairing small kitchen appliances It is suitable for grinding iron, steel or stainless steel, slicing knives, cleavers, small kitchen knives, fruit knives, and not suitable for grinding ceramic knives and serrated knives.With a protective cover to prevent metal foam from splashing when sharpening the knife, and protect the owner's safety during use.Sharpening Whetstone: finely sharpen the edge to prevent curling.Four kinds of sharpening edges, large oblique: large inclination angle, can sharpen fruit knives, sharpening edge: small inclination angle, can sharpen kitchen knives, inspection and sharpening edge: easy to operate, ready to use, fine sharpening stone: for simple and practical grinding , To meet a variety of needs, quick sharpening, old tools for new ones.Reminder: Work at a fixed angle of 45�� left and right to sharpen the sharp edge. Before use, please make sure that the voltage used is consistent with the rated voltage of the machine. The power supply is turned off and then plugged in. Please do not immerse the wire, plug or the machine in water or other liquids. It is forbidden to store in a humid environment, and the machine is strictly prohibited to be washed and used in contact with water. Sanding does not require any lubricating oil, water or abrasives.The best gift and ideal choice: This professional electric knife sharpener is very suitable for the kitchen helper at home. Only by sharpening the knives can we make better food.