Quickly hone a razor-like edge with the uninterrupted diamond sharpening surface of this DMT 6" x 2" coarse dia-sharp stone. This continuous diamond surface stone provides a cutting edge performance and is recognized for superior quality. Sharpening with diamonds is fast and easy. No oil is needed. You can sharpen dry or with water. Coarse grit quickly restores the edge on a neglected tool or blade. It is also great for water stone flattening.