The AccuSharp Knife and Tool Sharpener will sharpen knives, even serrated knives, cleavers and many other cutting tools in about 10 seconds without oils or stones. The large, white ergonomic handle fits either hand safely and securely while the full-length finger guard protects fingers. Sharpening blades are diamond-honed tungsten carbide for years of reliable use. The AccuSharp Knife and Tool Sharpener will not rust and can be cleaned with soap and water or in the dishwasher. Send your SSI invoice for your initial purchase of an AccuSharp tool to Fortune Products, and they will send you a counter display complete with a AccuSharp tool at no charge.