Our Naniwa #3000 Grit Diamond Water Stone allows you to rapidly sharpen any kind of blade. It is particularly effective on those made of high speed steel, titanium and ceramic. State of the art techniques makes it possible to sinter the 1mm thick diamond layer onto a flat aluminum base in a single step. The closely graded diamond abrasive gives a fast cutting action, yet leaves a consistent polishing pattern on the surface of your tools. Our Naniwa #3000 grit diamond stone gives a razor sharp edge and prepares the edge for a finally honing. Size is 5/8˝ x 2-7/8˝ x 8-1/4˝. A conditioning stone and instructions are included.