Check the listing for details. Ultra Sharp Diamond Sharpening Stones. Condition: New. Listed at 54.95 USD. Our Most Popular Diamond Sharpening Stone! Ultra Sharp Diamond Sharpening Stones are the best value we've ever seen in a diamond sharpener. The stones are made of micronized monocrystalline diamonds that are electroplated onto a solid steel plate which provides outstanding durability. These extremely fast honing diamond stones are available in 300, 600, 1200, 2200 or 3000 grit. (You can choose your grit from the drop-down menu at the top of this page). They will quickly sharpen anything with a cutting edge including high carbon, stainless steel, and ceramic knives! The precise flatness of the solid diamond surface makes it ideal for sharpening all knives, chisels, plane blades and other tools. We're so confident in the Ultra Sharp stones that we back them with our "No Questions Asked 100% Satisfaction Guarantee"! Simply return the stone to us and we'll either replace it or give you a full refund whichever you prefer. No questions asked. You will not be disappointed! Stone Size: 8" x 3" Grits: 300, 600, 1200, 2200, or 3000 8 times faster than other abrasives. Sharpens all steels include hardened tool steels Use and Care Instructions included The Best Value We've Seen in a diamond sharpening stone No Questions Asked 100% Lifetime Guarantee Choose your grit from the drop-down menu at the top of this page Note: This listing is for one diamond sharpening stone. The knives and tools shown in some photos are not included