For faster, safer cutting, keep knives sharpIn the galley or on the deck, dull knives are worse than useless they're dangerous. This Accusharp tool can sharpen any blade in just 10 seconds. Simply place the knife on a table top and give the AccuSharp a half-dozen quick strokes along the blade it's safe and easy, no special skill required. The large ergonomic handle fits either hand safely and includes a full-length finger guard. The sharpening is done by diamond-honed tungsten carbide tough enough to hone even hardened steel. Dishwasher safe 2 1/2"W x 5"L x 3/4" D Lifetime limited warranty