Smith s is proud to offer the ultimate in sharpening steel technology with the World s First interrupted surface diamond coated oval sharpening steel. Smith s 10 Diamond Sharpening Steel features a unique sharpening surface with a overlapping oval hole design which is coated with multiple layers of micron-sized monocrystalline diamonds. This innovation helps speed the sharpening process by collecting and holding the metal filings which ordinarily build up during the sharpening process. It comes with a soft grip rubber handle and oversized hand guard for comfort and safety. Unlike conventional steels which only realign your cutting edge the Smith s 10 Diamond Sharpening Steel hones and realigns your edge at the same time.