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. Contains: * Knife clamp with angle selector * 3 finger-grooved sharpening hones * 3guide rods * Specially formulated honing oil * Custom molded storage/travel case Sharpening Angles: * 17? Angle- A severe angle recommended for razor blades, X-Acto(C) blades, scalpels or similar tools.