"SMITH" DIAMOND STONE COARSE SHARPENER6" x 2.5" Diamond Bench Stone features multiple layers of micron-sized moncrystalline diamonds banded in nickel to a flat metal surface. The unique overlappying oval hole design speeds sharpening by collecting and holding the metal filings which ordinarily build up during the sharpening process. This allows the sharpening surface to remain clean and clear and speeds sharpening. This stone is excellent for sharpening side woodworking tools, medium to small sport/utility knives, or kitchen knives.Features:- * Coarse diamond stone sets your edge * Molded pastic base with non-slip rubber feet for safey * Clear plastic lid protects the stone * Micro-tool sharpening pad for small tools * Yellow Color With Oval Shaped Holes To Prevent Filing Build Up During Sharpening * Coarse Diamond Grit On Nickel Base For Aggressive Sharpening Of Knives & Tools * Peggable Clam Packaging.