Check the listing for details. Lansky 3-Stone Standard Diamond Sharpening System Medium Coarse Fine Grit LK3DM. Color: Multi, Condition: New. Listed at 78.59 USD. INFINITY SACAGAWEA DOLLAR COIN LANSKY 3-Stone Standard Diamond System Model #:LK3DM 3-Stone Standard Diamond System / Precision Knife Sharpening Kit - Diamond Hones Diamond Kits are very aggressive and are best for quickly setting an edge or resetting the edge to a different angle. Diamonds remove steel much faster than their alumina oxide counterparts. Includes Coarse Diamond (120 grit), Medium Diamond (280 grit), and Fine Diamond (600 grit) Hones. The Ultimate in Knife Sharpening Systems Technology is Safe, Easy and Convenient to Use. The Lansky Controlled Angle Sharpening System is designed to give your blade a professional, razor sharp edge every time. ABOUT LANSKY SHARPENERS Since 1979, Lansky Sharpeners has been recognized as the world leader in Sharpening Technology. Each Lansky Sharpeners product is carefully designed to meet unparalleled performance, reliability, and safety standards. All Lansky Sharpeners products are engineered to be completely ambidextrous, and manufactured with superior quality materials by craftsmen who are committed to providing you with a product that is second to none.