Gatco Sharpeners Arkansas Tri-Hone Sharpening System Natural Stone. All stones from Gatco Sharpeners Arkansas Tri-Hone Sharpening Kits are mounted on a natural wood triangle to provide an elevated work surface for ease of use. The Gatco Sharpeners Arkansas Tri-Hone 3-Stone Sharpening System includes a coarse silicon carbide stone for setting the bevel on dull or badly damages blades 100percent natural Arkansas medium & fine stones and topped off with honing oil. Features of Gatco Sharpeners Arkansas Tri-Hone 3-Stone Sharpening System: Coarse silicon carbide stone for setting the bevel on dull or badly damages blades 100 percent natural Arkansas medium & fine stones (1 of ea) Honing oil Package Contents: Gatco Sharpeners Arkansas Tri-Hone Sharpening Kit Gatco Sharpeners 8T001: Arkansas Tri-Hone Sharpening System Natural Stone