Korlon Knife Sharpeners for Straight and Serrated Knives, 2-Stage Professional Kitchen Knife Sharpener, Quickly Sharpens Dull Knives, Safe and Easy to Use PREMIUM QUALITY, LONG LIFE SPAN - The grinder head is composed of ceramics, tungsten steel, and the handle is made of stainless steel. This knives sharpener adopt the streamline ergonomic design, so it's more convenience,safer and easier to use compared with the heavy grindstone and sharpening rod. Heavy-duty edges which stand up to tens of thousands of strokes for an exceptionally long lifetime for the sharpener and your knives. SAFE AND EASY TO USE - There are 2 stages for your dull knifes, COARSE is suitable for sharping knife and FINE is suitable for polishing your blades to razor-sharpness. Non-slip grip bottom keeps the sharpener steady and easy to hold. Sharpening has never been easier. Stores easily either in the drawer or on the counter top. PROFESSIONAL CHEFS CHOICE KNIFE SHARPENER - More than just a kitchen knife sharpener, it's a pocket knife sharpener and scissor sharpener for stainless steel, hard steel, high carbon steel, Japanese steel, and more. Suitable for chef knife, sushi knife, santoku knife,throwing knives, steak knives, pocket knives, steel knives, outdoor knives, Serrated knives, Diamond knives, Tungsten knives, tactical knives, kitchen shears, kitchen scissors and kitchen knife set. PLEASE PAY ATTENTION - 1. Don't force too much when sharpening, and don't grind back and forth, so as not to damage the blade. 2. It's normal that ceramic rods and Tungsten grinder blades in the sharpener maybe rubbed to be dirtied. 3. Do not put the sharpener in the dishwasher or water, and keep it dry and clean. 4. Hand wash recommend. RISK FREE GUARANTEED - Quality guarantee and 5-star customer service. If you are not 100% completely satisfied with your knife sharpener, simply let us know and you will be offered a FULL refund or replacement.