1 |
Extremely Coarse – Provides the fastest metal removal rate. Leaves very visible scratches on the cutting edge. |
100+ Micron |
Under 150 Grit |
2 |
Coarse - Very fast metal removal rate. Leaves visible scratches on the cutting edge. This grit range consists of coarse stones that are commonly available. |
60-100 Micron |
150 – 220 Grit |
3 |
Medium Coarse - Fast metal removal rate. Scratches are not as visible. Finest recommended grit for dull tools and knives. |
45-60 Micron |
220 - 300 Grit |
4 |
Medium - Good metal removal rate. Light scratching on edge. |
35-45 Micron |
300 - 400 Grit |
5 |
Medium Fine – Modest metal removal rate. The edge does not appear scratched but frosted. A good grit range to utilize in the initial stage of sharpening a dull knife edge. |
25-35 Micron |
400 - 600 Grit |
6 |
Vary Fine - Modest sharpening rate. Leaves metal edge frosted in appearance. Edge sharpness is equivalent to most “above average” factory edges on knives and tools. |
15-25 Micron |
600 - 1000 Grit |
7 |
Extra the Fine - Slow sharpening rate. Provides a very sharp edge. The edge shows a polished-looking edge. Achieves “above average” factory edges on most good quality knives. |
8-15 Micron |
1000 - 2000 Grit |
8 |
Extremely Fine – Slow sharpening rate. An extremely sharp edge. Edges reflect light very well. Provides very minimal improved sharpening benefits |
4-8 Micron |
2000 - 6000 Grit |
9 |
Near Mirror Polish - Edge is very near perfect. Leaves the edge polished to the naked eye. Provides very minimal improved sharpening benefits. |
2-4 Micron |
6000 - 10,000 Grit |
10 |
Mirror Polish - Sharpest edge possible. Extremely slow sharpening rate. Only provides very minimum additional sharpening benefits. |
0-2 Micron |
10,000+ Grit |