3 Pc Diamond Sharpening Set Fine Coarse Durable Sharpening 180 240 400 Grit

This tool is a type of whetstone, which is a sharpening stone used to sharpen the edges of cutting tools. This set also includes extra fine, fine and coarse Grades. With the grit grades being Yellow 180 (coarse), red 240(fine), Green 400(extra fine).

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