Features: The number one rated, and best-reviewed sharpener on the market Perfect knife sharpener for chef’s knives, paring knives, serrated knives, filet knives, cleavers In about 10 seconds, sharpen knives (even serrated knives) Large ergonomic handle fits either hand safely and securely Full length finger guard protects your fingers Blades are diamond-honed tungsten carbide and provide years of reliable use Sharpener will not rust and can be cleaned with soap and water, or in the dishwasher Replacement sharpening blades are available