Spécifications
| diametre | 20-16-20, 16-20-16, 26-16-26, 26-20-26, 32-16-32, 32-20-32, 32-26-32, 20-26-20, 26-32-26, 20-20-16, 26-26-16, 26-26-20, 32-32-20, 32-32-26, 20-16-16, 26-16-20, 26-20-16, 26-20-20, 32-26-26, 32-20-20 |
| diametre | 20-16-20, 16-20-16, 26-16-26, 26-20-26, 32-16-32, 32-20-32, 32-26-32, 20-26-20, 26-32-26, 20-20-16, 26-26-16, 26-26-20, 32-32-20, 32-32-26, 20-16-16, 26-16-20, 26-20-16, 26-20-20, 32-26-26, 32-20-20 |