Knife and Tool Sharpener 2 Pack - Knife Sharpeners for Kitchen Knives, Pocket Knives, Serrated Blades, Axes and Machetes Blue One Size EASY TO USE KNIFE SHARPENER: This is the perfect knife sharpener for chefs knives, paring knives, serrated knives, filet knives, cleavers you name it. If you own a knife, you need this sharpener. GET A SHARP EDGE IN 10 SECONDS: A sharp blade makes it easier to get work done quickly and safely. The innovative Knife Sharpener lets you sharpen most blades in around ten seconds. DIAMOND-HONED TUNGSTEN CARBIDE SHARPENER: To deliver years of reliable use, This sharpening blades are crafted from diamond-honed tungsten carbide, one of the hardest known materials. With it's unique design, the sharpening blades can be reversed doubling its life span. DEPENDABLE and LONG-LASTING CONSTRUCTION: Most users report an average of five to 10 years between blade replacements, which means that it's easy to ensure that your sharpener will be ready to go when you need it. Knife Sharpeners will not rust, and they can be cleaned easily with soap and water or in your dishwasher.