Update International G-2512 Combination Sharpening Stones - 17" x 2-1/2" x 1-1/2". This aluminum oxide sharpener with both a coarse and fine grit will keep knives well-maintained, which will lead to longer blade life. This sharpening stone is made of the finest quality aluminum carbide stone for general sharpening of hand tools and cutlery.Product dimensions:11.75" Width x 2.5" Depth x 1.5" HeightProduct weight:2.6 lbsUpdate International G-2512 Combination Sharpening Stones - 17" x 2-1/2" x 1-1/2".Coarseness: VariousSharpener Material: Aluminum OxideUsage Tips:-Additional info:-KF-S345-UP-G-2512 #04341