Combination Water Sharpening Stone
This combination stone is good for sharpening most tools, including tools for bonsai, gardening and cooking.
280 grit bauxite stone on one side and 1500 grit white aluminum stone on the other side. Hone blade first with the coarser stone then finish with the fine stone. Soak in water for a few minutes before using. 2" x 6" x 1.1"