Details: If you need to flatten tools or oil and water stones, the double-sided classic professional fine extra-coarse diamond bench stone from Trend is ideal.>The 180 grit extra-coarse side of this sharpening tool is used to initially flatten tools or oil and water stones, providing clearance channels that help disperse residue.>The fine 600-grit side of the diamond sharpening stone is used to remove any scratches left after flattening tools such as chisels and plane irons, before fine honing and polishing. The fine side of the sharpening plate is also ideal for use with tools used by contractors, site workers, and shop fitters. The exceptional construction of the sharpener offers an exceptional life span. Use with lapping fluid. This diamond sharpener includes a fabric tool holder, includes non-slip mat, cleaning block and instructions.