Quickly hone a razor-like edge with the uninterrupted diamond sharpening surface of this DMT® Dia-Sharp 6" x 2" Diamond Bench Stone. Two grit options in one double-sided stone. For knives, blades and fine tools. Fine diamond (25 micron / 600 mesh) for a razor sharp edge. Extra-Fine (9 micron / 1200 mesh) to polish and refine a razor edge after sharpening with a coarser diamond. Diamond grade clearly marked on each side of stone. This continuous diamond surface stone provides a cutting edge performance and is recognized for superior quality. Sharpening with diamonds is fast and easy. No oil is needed. You can sharpen dry or with water.Features: Two grit options in one double-sided stone Extra-Fine diamond to polish and refine a razor edge and fine diamond for a razor sharp edge FAST: Hardest material, most efficient sharpening abrasive; available in unique interrupted surface and continuous surface 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 Specifications: Model Number: DMT D6EF Length: 6" Width: 2" Thickness/Depth: 1/4" Grit/Type (Fine): 25 micron / 600 mesh Grity/Type (Extra-Fine): 9 micron / 1200 mesh Grade: Fine/Extra-Fine What's Included: (1) DMT - Dia-Sharp - 6" x 2" Double-Sided Diamond Bench Stone Sharpener - Fine/Extra-Fine