Smith's two-stone sharpening Kit includes a 5 in medium stone used to set the edge on your knife or tool and a 4 in fine Arkansas stone used to put the final polished edge on your knife or tool. The medium stone comes mounted on a sturdy molded plastic base that features a built-in stone storage area in the bottom for the fine Arkansas stone. A bottle of premium honing solution and a sharpening angle guide are also included.