This is a top-quality 7 inch aluminum oxide & leather whetstone, 6000 grit and 1000 grit dual sided, with non-slip base made of bamboo wood. This is a sharpening stone for those serious about keeping knives sharp. It comes complete with a knife sharpening angle guide to assist you in maintaining the proper angle while sharpening.
This stone is designed to use WATER in sharpening knives. It also comes with a "fix stone" which is used to resurface and true the whetstone after use.