ShearSharp is an amazing device designed to take the mystery out of sharpening your general purpose scissors, hedge clippers and tin snips. The large ergonomic handle fits either hand safely and securely. The full length finger guard protects your fingers. – The sharpening blade is diamond-honed tungsten carbide and provide years of reliable use. ShearSharp will not rust and can be cleaned with soap and water, or in the dishwasher. If you own a pair of scissors, you will want to have the easy-to-use, affordable ShearSharp Scissor Sharpener.- GET A SHARP EDGE IN SECONDS: A sharp blade makes it easier to get work done quickly and safely. The innovative ShearSharp Sharpener lets you sharpen your scissors in around ten seconds. – DIAMOND-HONED TUNGSTEN CARBIDE SHARPENER: The ShearSharp sharpening blades is 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 & LONG-LASTING CONSTRUCTION: Most users report an average of five to 10 years between blade replacements. The ShearSharp Scissors Sharpener will not rust and can be cleaned easily with soap and water or in your dishwasher.