| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| hardness of pencil lead | 0.72 | 0.4 | 7817 | 45 | 23 |
| hardness | 0.31 | 0.9 | 7569 | 93 | 8 |
| of | 0.67 | 0.1 | 7286 | 74 | 2 |
| pencil | 0.18 | 0.6 | 9059 | 45 | 6 |
| lead | 1.42 | 0.3 | 7819 | 47 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| hardness of pencil lead chart | 1.38 | 0.4 | 8153 | 67 |
| hardness of pencil leads | 0.18 | 0.8 | 1161 | 2 |
| hardness of pencil lead scale | 1.07 | 0.5 | 7987 | 5 |
| pencil lead hardness | 1.31 | 0.2 | 1650 | 57 |
| mechanical pencil lead hardness chart | 1.2 | 0.8 | 3567 | 95 |
| pencil lead hardness guide | 0.83 | 0.5 | 6682 | 81 |
| drafting pencil lead hardness scale | 1.56 | 0.5 | 5322 | 56 |
| best pencil lead hardness for writing | 0.9 | 0.8 | 9461 | 26 |
| pencil lead hardness chart and darkness | 1.24 | 0.6 | 8233 | 18 |
| pentel pencil lead hardness chart | 0.48 | 0.7 | 4095 | 61 |
| pencil lead bhn hardness chart | 0.32 | 0.3 | 8996 | 52 |
| pencil test for lead hardness chart | 0.33 | 0.9 | 1935 | 49 |
| staedtler pencil lead hardness chart | 0.73 | 0.7 | 2290 | 35 |
| types of pencil lead hardness | 1.57 | 0.2 | 7889 | 58 |
| mechanical pencil lead hardness | 1.07 | 0.9 | 2052 | 94 |
| difference in pencil lead hardness | 1.76 | 0.2 | 9702 | 63 |
| pencil lead hardness ratings | 0.48 | 0.1 | 2692 | 31 |
| mechanical pencil lead sizes and hardness | 1.48 | 0.5 | 7795 | 5 |
| lead pencil hardness grades | 1.99 | 0.4 | 9812 | 61 |
| pencil hardness versus lead alloy hardness | 1 | 0.7 | 1633 | 79 |
