Get the most value for your money with Top-Rated 3-Stage Professional Knife Sharpener! Believe it or not, a dull knife is one of the most dangerous objects in your kitchen. When a blade isn't sharp enough to properly cut food, it can easily slip from your control, nicking your hands or fingers. ? Keep cooking fun, safe and healthy with our Knife Sharpener! Our 3-step system begins with a diamond sharpening rod slot that gently repairs and straightens damaged blades. ? Whether you're a cooking novice or a professional chef, our sharpener is quick and easy to use! Just run the knife through each slot a few times to reveal a razor-sharp blade. Innovative 3-step system. - Fast and easy to use. - Accommodates knives of all types and sizes. - Safe and ergonomically designed. - Made using durable ABS plastic, stainless steel, and high-grade sharpening rods. USAGE ?Simply draw the knife through each slot a few times to achieve a razor-sharp edge. ?Stage 1-begins the sharpening process with coarse-grinding which suit to dull knives. ?Stage 2-continues sharpening with plating rod sharpening, it's for ceramic knives. ?Stage 3-completes the process with an extra-fine-grit, it's an necessary step to eliminate the burrs on the knife and polish it, razor-sharp edge. CAUTION ?This product is not suitable for grinding scissors, ceramic knife. ?Do not use too much force for sharpening motions. Do not pull your knife back and forth in the grinder slots, or you will damage the blade. ?Do not put the sharpener in a dishwasher or rinse in water. ?After grinding your knife, wipe the sharpener with a damp cloth or rinse with water, then wipe dry with a soft cloth to clean the metal part and ceramic rod. ?Keep the sharpener or knives out of reach of children, to avoid accidents.