DiamondStone Knife Sharpeners - the sharpeners made with real diamond in the stones. With DiamondStone, knives have never been so sharp - and sharpening has never been so easy. The blue stones with Diamond & Ceramic sharpen to a hollow ground edge, while the white stones give a final polish to the knife edge.
WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.