Maintain the edges on every knife in your collection with this SZCOA(R) Whetstone. Features a double-sided "Arkansas whetstone," the traditional method trusted by generations of frontiersmen. Start out with the coarse side, then switch to the fine grit side for a razor-sharp finish. 1,000 grit coarse surface for sharpening 3,000 grit fine surface for honing Silicone holder