EZELAP Diamond Products 2" x 8" Diamond Stones These diamond stones are perfect for hunting and fishing knives, woodworking tools, exacto blades, axes and industrial use. No oil or water is necessary, the surface will remain true and flat. Model 71 2" x 8" Diamond Stone Model Description 71SF Super Fine Grit (1200) 71F Fine Grit (600) 71M Medium Grit (400) 71C Coarse Grit (250) 71XC Extra Coarse (150) Model 72 2" x 8" Diamond Stone on a Walnut Pedestal Model Description 72F Fine Grit (600) 72M Medium Grit (400) 72C Coarse Grit (250)   Model 76 2" x 8" Diamond Stone with a Leather Pouch Model Description 76SF Super Fine Grit (1200) 76F Fine Grit (600) 76M Medium Grit (400) 76C Coarse Grit (250) 76XC Extra Coarse Grit (150)