This kit of DMT Diamond Whetstone and Machinist sharpeners includes a convenient black fabric tool roll for quick and easy access. Each stone measures 4-1/3" x 7/8" x 3/16".

Kit includes the following:

• 4" Extra-Coarse Diamond Whetstone (60 micron / 220) when significant removal of material is needed for a damaged edge.
• 4" Coarse Diamond Whetsone (45 micron / 325) to quickly restore a neglected edge.
• 4" Extra-Fine Diamond Whetstone (9 micron / 1200 mesh) to polish and refine a razor edge after sharpening with a coarser diamond.
• 4" Fine Machinist Diamond Whetstone (25 micron / 600 mesh) for a razor sharp edge. (The Machinist Whetstone includes 1" continuous diamond area for sharpening pointed tools.)