Smith's Sharpeners Tri-Hone Sharpening System. EdgeSport Series. 8 7/8" x 3" x 3 1/8". Black composition housing with black non-slip rubber feet. Features 6" natural Arkansas sharpening stones - medium (soft), fine (hard) and aluminum oxide synthetic stone. Easy stone rotation and identification. Also includes angle guide and 1 oz. honing solution - non-petroleum based with built-in stone cleaning agents and rust/corrosion inhibitors. V-trough to catch excess solution. Sharpens knives and tools.