DMT Whetstone Extra Coarse Grit. 220 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. Hang packaged.