DMT Diamond Vee Sharpener. Includes two 4 1/2" diamond rods which are mounted in a clear plastic base. Features safety hand guard. FeaturesDesigned for easy either right or left hand application and countertop use. Sized for efficient use of countertop or drawer storage Coarse diamond to transform a dull edge Sharpens knives faster than conventional stones with DMT®'s monocrystalline diamond surface