| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| hrb scale for hardness | 1.91 | 0.4 | 6357 | 68 | 22 |
| hrb | 1.97 | 1 | 7551 | 6 | 3 |
| scale | 0.13 | 0.4 | 7113 | 96 | 5 |
| for | 0.26 | 0.6 | 2542 | 48 | 3 |
| hardness | 0.06 | 0.3 | 1686 | 92 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| hrb scale for hardness | 0.8 | 0.2 | 9621 | 46 |
