Extractions | Stems | Diameter ranges (mm) | Groups |
E1 | Narrow | 2.8 - 4.5 | 1 |
| Medium | 4.8 - 7.8 |
|
| Wide | 8.0 - 10.0 |
|
E2 | Narrow | 2.5 - 6.0 | 2 |
| Medium | 7.0 - 9.0 |
|
| Wide | 9.5 - 12.5 |
|
E3 | Narrow | 2.8 - 4.5 | 1 |
| Medium | 4.8 - 7.8 |
|
| Wide | 8.0 - 10.0 |
|
E4 | Narrow | 2.8 - 4.5 | 1 |
| Medium | 4.8 - 7.8 |
|
| Wide | 8.0 - 10.0 |
|
E5 | Narrow | 2.5 - 6.0 | 2 |
| Medium | 7.0 - 9.0 |
|
| Wide | 9.5 - 12.5 |
|
E6 | Narrow | 2.8 - 4.5 | 1 |
| Medium | 4.8 - 7.8 |
|
| Wide | 8.0 - 10.0 |
|