| Description | Article code |
| Universal centring aid for up to Ø 73 mm | ETNCA01000 |
| Centring aid Ø 4-5-6-8-10-12-14 mm | ETNCA02000 |
| Cooling system | ETNCA03000 |
| Description | Article code |
| Universal centring aid for up to Ø 73 mm | ETNCA01000 |
| Centring aid Ø 4-5-6-8-10-12-14 mm | ETNCA02000 |
| Cooling system | ETNCA03000 |