| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| pencil lead hardness ratings | 0.11 | 0.6 | 9372 | 33 | 28 |
| pencil | 1.91 | 1 | 4178 | 45 | 6 |
| lead | 1.36 | 0.4 | 1699 | 91 | 4 |
| hardness | 1.76 | 1 | 8452 | 66 | 8 |
| ratings | 1.3 | 0.3 | 3679 | 67 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| pencil lead hardness ratings | 1.83 | 0.8 | 4323 | 38 |
| hardness of pencil lead chart | 0.62 | 0.2 | 6771 | 54 |
| difference in pencil lead hardness | 1.47 | 1 | 549 | 16 |
| pencil lead hardness scale | 1.11 | 0.6 | 6208 | 13 |
| pencil hardness versus lead alloy hardness | 1.16 | 0.8 | 3868 | 55 |
| types of pencil lead hardness | 1.85 | 0.8 | 2199 | 92 |
| pencil lead hardness chart and darkness | 0.36 | 0.2 | 2195 | 68 |
| mechanical pencil lead hardness chart | 1.69 | 0.8 | 9498 | 30 |
| best pencil lead hardness for writing | 0.68 | 0.5 | 1393 | 70 |
| mechanical pencil lead hardness | 0.25 | 0.3 | 5878 | 10 |
| pencil test for lead hardness chart | 1.13 | 0.1 | 4742 | 23 |
| mechanical pencil lead sizes and hardness | 0.85 | 0.1 | 4253 | 13 |
| lead hardness scale for pencils | 1.94 | 0.8 | 8405 | 87 |
| pentel pencil lead hardness chart | 0.31 | 0.2 | 8528 | 64 |
| lead hardness testing pencils | 0.09 | 0.9 | 2167 | 23 |
| mechanical pencil lead hardness scale | 1.56 | 0.2 | 6538 | 29 |
