AccuSharp blaze orange will not rust and can be cleaned with soap and water, or in the dishwasher. Remember, blaze orange isn't just for hunters anymore. It's great for the toolbox, tackle box, gear bag or backpack. Sharpen knives (even serrated knives), cleavers, axes, machetes, and many other cutting tools in about 10 sec. The large ergonomic handle fits either hand and the full-length finger guard safely protects your fingers. The sharpening blades are diamond-honed tungsten carbide and provide years of reliable use.