Forjadas en acero cromo vanadio.
| Característica | Referencia |
|---|---|
| 6 MM | 73630206 |
| 7 MM | 73630207 |
| 8 MM | 73630208 |
| 9 MM | 73630209 |
| 10 MM | 73630210 |
| 11 MM | 73630211 |
| 12 MM | 73630212 |
| 13 MM | 73630213 |
| 14 MM | 73630214 |
| 15 MM | 73630215 |
| 16 MM | 73630216 |
| 17 MM | 73630217 |
| 18 MM | 73630218 |
| 19 MM | 73630219 |
| 20 MM | 73630220 |
| 21 MM | 73630221 |
| 22 MM | 73630222 |
| 1" | 73635250 |
| 15/16" | 73635251 |
| 7/8" | 73635252 |
| 13/16" | 73635253 |
| 3/4" | 73635254 |
| 11/16" | 73635255 |
| 5/8" | 73635256 |
| 9/16" | 73635257 |
| 1/2" | 73635258 |
| 7/16" | 73635259 |
| 3/8" | 73635260 |
| 5/16" | 73635261 |
| 1/4" | 73635262 |
