Extra-Coarse is black, 60 micron/ 220 meshFAST: Hardest material, most efficient sharpening abrasive; available in unique interrupted surface and continuous surface
8" Diamond Whetstone™ sharpener with mounting tabs provides larger surface area to accommodate a wide range of edge care needs. Includes a beautiful hardwood case and non-skid rubber feet. Size: 8" x 2 5/8" x 1 1/4". Available in Extra-Coarse, Coarse, Fine and Extra-Fine diamond grits. X- Extra -Coarse (Black 60 micron/ 220 mesh); C-Coarse (Blue 45 micron/ 325 mesh); F-Fine (Red 25 micron / 600 mesh); E-Extra-Fine (Green 9 micron / 1200 mesh).
EASY: Light pressure produces a sharp edge with just a few strokes
CLEAN: Use water for lubrication- no oil, smell or mess
VERSATILE: Hones ALL hard materials: carbide, steel, etc
DURABLE: Starts flat, stays flat - provides years of consistent, reliable use
Made in USA See 'Ships Direct from Manufacturer's link for warranty and return details.