An excellent knife sharpener for people who want to have full control over knife sharpening. One side of the 180 grit sharpener will roughly sharpen even the dullest knife. The second one with a grit of 600 allows for a perfect finish of each blade.ATTENTION Correctly guiding the knife on the sharpener (with the blade facing forward - as for cutting):Soak the stone in water or use Taidea sharpener oil. Place the sharpener on a flat surface. To sharpen the knife, slide it over the stone (pressing lightly) several times, first one side of the knife, then the other. When sharpening the knife, try to maintain the appropriate angle of the knife (15°-30°). To maintain the correct sharpening angle, we recommend using the T1091AC guide Intended use: Steel knives Cleavers Chisels ScissorsPackage contents: Sharpener