Smith's Diamond Combination Knife and Tool Sharpener

Sharpening surface measures 4" x 1". Coarse (yellow) 325 grit is used for aggressive removal of metal to quickly restore dull edges. Fine (orange) 750 grit is ideal for putting a razor edge on knives or tools. Features multiple layers of micron sized diamonds in a unique overlapping hole design which speeds up the sharpening process by collecting and holding the metal filings which ordinarily build up during the sharpening process. Black plastic handle. Stones slides inside handle for storage.