Genuine 3 Stone Arkansas Full Size 4" Tri Hone Whetstone Knife Sharpening System with Silicon Carbide (Coarse), Soft (Medium) and Hard (Fine) Stones 4" X 1" X 1/4" TRI-4

3 Stone Model has Coarse (Silicon Carbide), Medium (Soft) and Fine (Hard) Stones 3 stone sizes are 4 inches long by 1 5/8" wide by 1/2 thick Comes with one ounce of honing oil Genuine Arkansas stones are 100% quarried in the Ouachita Mountains of Central Arkansas Comes with 23 degree sharpend guide and wood base The full size Tri Hone is the solution to overcoming one of the major obstacles to knife sharpening-keeping the blade at the proper angle to the stone. The included 23 degree sharpening guide helps keep the knife blade at the perfect sharpening angle. This 3 stone model comes with Coarse (Silicon Carbide), Medium (Soft Arkansas) and Fine (Hard Arkansas) stones. The different stone grades are as follows: Silicon Carbide (Coarse): man-made stone that is much coarser than any of the natural Arkansas stones. This is the stone to use on very dull or damaged edges. Soft Arkansas (Medium): coarsest, most versatile and most popular of the Arkansas stones. Soft Arkansas stones are