A-M series lugs are manufactured from electrolytic copper tube Cu-OF CW008A conform to UNI EN 13600.
The dimensions of the tube are designed to obtain the most efficient electrical conductivity and mechanical strength to resist vibration and pull out.
| Cable section (mm2) | Screw (mm) | Code |
| 10 | 6 | SIS600022 |
| 10 | 8 | SIS600023 |
| 10 | 10 | SIS600024 |
| 16 | 6 | SIS600025 |
| 16 | 8 | SIS600026 |
| 16 | 10 | SIS600027 |
| 25 | 6 | SIS600102 |
| 25 | 8 | SIS600028 |
| 25 | 10 | SIS600029 |
| 35 | 6 | SIS600040 |
| 35 | 8 | SIS600030 |
| 35 | 10 | SIS600031 |
| 50 | 6 | SIS600104 |
| 50 | 8 | SIS600032 |
| 50 | 10 | SIS600033 |
| 50 | 12 | SIS600108 |
| 70 | 8 | SIS600034 |
| 70 | 10 | SIS600035 |
| 70 | 12 | SIS600105 |
| 95 | 8 | SIS600036 |
| 95 | 10 | SIS600037 |
| 95 | 12 | SIS600106 |
| 120 | 8 | SIS600038 |
| 120 | 10 | SIS600039 |
| 120 | 12 | SIS600107 |