Smith's Combination Bench Stone Kit includes a 5" 120 coarse grit stone used to set the edge on your knife or tool, and a 4" dual grit that consists of 325 coarse and a 1,000 fine grit 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 4" stone. A bottle of Premium Honing Solution and a sharpening angle guide are also included. This sharpening kit can be used to sharpen a variety of straight-edge hunting, kitchen, and pocket knives as well as small and large tools. Features5" x 1 5/8" x 3/8" mounted coarse 120 grit stone to set the edge.4" x 1" x 3/8" Dual Grit 325 / 1,000 stonePremium honing solution cleans and protects sharpening surfaces.4" Stone storage in baseSharpening angle guide to teach basic correct angle for first-time user.