Accusharp knife and tool sharpener. Finally, a knife sharpener anyone can use! No more messy oils or stones. In about 10 seconds, sharpen knives (even serrated knives), cleavers, axes, machetes and many other cutting tools. The large ergonomic handle fits either hand safely and securely. The full length finger guard protects your fingers. The sharpening blades are diamond honed tungsten carbide for years of reliable use. Accusharp knife sharpeners will not rust and can be cleaned with soap and water or in the dishwasher. Replacement sharpening blades are also available on request.