Knife Sharpener 3-Stage Professional&nbsp;Sharpening System Kitchen Knife Sharpener with Ergonomic Handle & Non-skid Base for Blunt Knives, Steel Knives & Ceramic Knives in All Sizes 1. PROFESSIONAL 3 SECTIONS --- Coarse slot to be used with very dull knifes, ceramic slot is for ceramic knifes, and fine slot for honing knives. You can always find a slot to fit your knife condition and take it back to life! Keep your favorite kitchen and utility knives sharper for longer use. 2. FASTER & EASIER TO USE --- This one clearly appears to be not only the safest, but the easiest and most efficient. Take your test dull knife and ran it through back to point 3-5 times, then go to the fine tuning section and do the same, your knives are factory-sharp. 3. COMFORTABLE & SAFE GRIP DESIGN --- The kitchen knife sharpener has a nice comfortable soft touch handle for holding. This keeps your fingers away from any blades and helps keep the sharpener steady. 4. NON-SKID RUBBER BASE --- Tough, durable and solid design! This knife sharpener is very comfortable to use and the rubber base ensures the sharpener will not slip when sharpening any knives. 5. FREE FRUIT KNIFE & LIFETIME WARRANTY --- Get a fruit knife for free, dont miss this big sale! And we have lifetime warranty, any question about the order, you can ask for a replacement or full refund.