DMT Whetstone Extra Fine Grit.
DMT Whetstone Extra Fine Grit. 1200 diamond mesh. Wood storage box. 6 x 2" Diamond Sharpener. Uniquely designed diamond sharpening stones will hone the hardest material with less time and effort than conventional stones. Interrupted pattern increases cutting action, while clearing fines from the diamond surface. Remains flat, requires only water as a lubricant and is virtually indestructible.