WINCO SS-1211 Fine / Medium Grain Sharpening Stone, 12"x 2-1/2"x 1-1/2". It's important for cooks to have sharp knives to work with. This sharpening stone is the right tool for the job. This aluminum oxide sharpener with both a coarse and fine grit will keep knives well-maintained, which will lead to longer blade life.Product dimensions:12" Length x 2.5" Width x 1.5" HeightProduct weight:3.2 lbsWINCO SS-1211 Fine / Medium Grain Sharpening Stone, 12"x 2-1/2"x 1-1/2".Carbonized silicon constructionUsage Tips:-Additional info:-KF-S345-WN-SS-1211 #06186