Kitchen Knife Sharpener, 2-Stage Diamond Coated Knife Sharpening System, Restore and Polish Blades, Non-slip Rubber Base, Easy to Use 2-STEP KNIFE SHARPENER -- It comes with two slots; the first is for sharpening blunt knives that will sharpen your knife to a double-edge finish and the second is for refining and polishing the knife edge to improve any small imperfections. Not only does it sharpen knives for instant sharpness it does so in a way that they stay sharp for longer. EASY TO USE -- Kealive kitchen Knife Sharpener has a curved handle with a soft grip. Whether youre right or left-handed, you can hold this handle firmly to achieve the best results while the non-slip rubber feet allow you to hold it securely on flat surfaces. FOR USE ON -- Straight edged steel kitchen knives and wide serrated knives (bread knives), including knives with hardened steel blades. DO NOT USE ON: ceramic knives, scissors or micro serrated knives. Pull your knife back in one direction instead of pulling it back and forth. LIGHTWEIGHT AND PORTABLE -- Chef Knife Sharpener is only about 7.5 inches in length, meaning it'll fit easily in a drawer, which is a handy feature that most people liked. LIFETIME WARRANTY -- This lightweight manual knife sharpener from Kealive has been ergonomically designed for a comfortable, safe, and practical sharpening experience. We're so confident that you'll love this product, that we offer a life time money back guarantee on your purchase.Coarse