Knife & Tool Sharpener 2 Pack - Knife Sharpeners for Kitchen Knives, Pocket Knives, Serrated Blades, Axes & Machetes Blue One Size EASY TO USE KNIFE SHARPENER: This is the perfect knife sharpener for chef's knives, paring knives, serrated knives, filet knives, cleavers, and more. 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, the sharpening blades are crafted from diamond-honed tungsten carbide, one of the hardest known materials. With its unique design, the sharpening blades can be reversed, doubling its lifespan. DEPENDABLE & LONG-LASTING CONSTRUCTION: Most users report an average of five to ten years between blade replacements, making it easy to ensure your sharpener will be ready when needed. Knife sharpeners will not rust and can be cleaned easily with soap and water or in the dishwasher.