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Ha-No-Kuromaku stones are the workhorses of many woodshops. Precisely graded sharpening media are bonded to create a stone that is durable yet fast cutting.
The yellow 12,000x stone provides an alternative final polishing stone to the 8000x for those looking for a much keener edge on their finest tools. The 12,000x yields a near-mirror finish on any surface and is excellent for final lapping of tools.
It measures 210mm × 70mm × 15mm (8 1/4" × 2 3/4" × 5/8") and is supplied in a color-matched live-hinge plastic storage case that also serves as a stand. Four urethane feet on the vented case bottom give a good grip, while molded ribs on the case lid hold the stone in place. Both sides of the stone are usable.
The stone can be used with the Shapton stone holder, field holder and pond. It can also be used as an oil stone, but then must continue to be used with oil only. Weighs just shy of 20 oz (550g).
| Sharpening Stage | Grit Range (µ) | Micron (µ) | Kuromaku | Range Code |
| Shaping 30.1–150 |  | 122.5 | 120 | 1 |
| 30.1–150 | 66.82 | 220 | ||
| Â | 45.94 | 320 | ||
| Grinding 10.1–30 | 20.1–30 | 29.4 |  | 2A |
| Â | 25 | Â | ||
| 15.1–20 | 20 |  | 2B | |
| 10.1–15 | 14.7 | 1000 | 2C | |
| Â | 11.5 | Â | ||
| Honing 3.01–10 | 8.01-10 | 9.8 | 1500 | 3A |
| 6.01 | 7.35 | 2000 | 3B | |
| Â | 6.7 | Â | ||
| 3.01-6 | 4.9 | Â | 3C | |
| Â | 4 | Â | ||
| Â | 3.68 | Â | ||
| Polishing 0.25-3 | 1.51-3 | 3 | Â | 4A |
| Â | 2.94 | 5000 | ||
| Â | 2.45 | Â | ||
| Â | 2 | Â | ||
| Â | 1.84 | 8000 | ||
| 0.76-1.5 | 1.47 | Â | 4B | |
| Â | 1.2 | Â | ||
| Â | 1 | 12000 | ||
| Â | 0.92 | Â | ||
| Â | 0.85 | Â | ||
| 0.25-0.75 | 0.49 | 30000 | 4C | |
| Â | 0.44 | Â |
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Variations:
Shapton 12,000x Yellow Ha-No-Kuromaku Ceramic Stone
Ha-No-Kuromaku stones are the workhorses of many woodshops. Precisely graded sharpening media are bonded to create a stone that is durable yet fast cutting.
The yellow 12,000x stone provides an alternative final polishing stone to the 8000x for those looking for a much keener edge on their finest tools. The 12,000x yields a near-mirror finish on any surface and is excellent for final lapping of tools.
It measures 210mm × 70mm × 15mm (8 1/4" × 2 3/4" × 5/8") and is supplied in a color-matched live-hinge plastic storage case that also serves as a stand. Four urethane feet on the vented case bottom give a good grip, while molded ribs on the case lid hold the stone in place. Both sides of the stone are usable.
The stone can be used with the Shapton stone holder, field holder and pond. It can also be used as an oil stone, but then must continue to be used with oil only. Weighs just shy of 20 oz (550g).
| Sharpening Stage | Grit Range (µ) | Micron (µ) | Kuromaku | Range Code |
| Shaping 30.1–150 |  | 122.5 | 120 | 1 |
| 30.1–150 | 66.82 | 220 | ||
| Â | 45.94 | 320 | ||
| Grinding 10.1–30 | 20.1–30 | 29.4 |  | 2A |
| Â | 25 | Â | ||
| 15.1–20 | 20 |  | 2B | |
| 10.1–15 | 14.7 | 1000 | 2C | |
| Â | 11.5 | Â | ||
| Honing 3.01–10 | 8.01-10 | 9.8 | 1500 | 3A |
| 6.01 | 7.35 | 2000 | 3B | |
| Â | 6.7 | Â | ||
| 3.01-6 | 4.9 | Â | 3C | |
| Â | 4 | Â | ||
| Â | 3.68 | Â | ||
| Polishing 0.25-3 | 1.51-3 | 3 | Â | 4A |
| Â | 2.94 | 5000 | ||
| Â | 2.45 | Â | ||
| Â | 2 | Â | ||
| Â | 1.84 | 8000 | ||
| 0.76-1.5 | 1.47 | Â | 4B | |
| Â | 1.2 | Â | ||
| Â | 1 | 12000 | ||
| Â | 0.92 | Â | ||
| Â | 0.85 | Â | ||
| 0.25-0.75 | 0.49 | 30000 | 4C | |
| Â | 0.44 | Â |
