Multiple grits in one stone. Stone material - aluminum oxide. Stone grits = 100 and 240. Stone size = 8" x 2" x 3/4. Sh pens knives and toolsMultiple grits in one stoneUse for l ge or small bladesStone material - aluminum oxideStone grits = 100 and 240Stone size = 8" x 2" x 3/4.
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