Spécifications
| DIAMETRE EXTERIEUR | 22.2MM, 25.4MM, 30.0MM, 60.0MM |
| EPAISSEUR | 1.6MM, 2.0MM, 2.8MM, 3.2MM, 10MM |
| DIAMETRE INTERIEUR | 16.0MM, 20.0MM, 22.2MM, 25.4MM, 55.0MM |
| DIAMETRE EXTERIEUR | 22.2MM, 25.4MM, 30.0MM, 60.0MM |
| EPAISSEUR | 1.6MM, 2.0MM, 2.8MM, 3.2MM, 10MM |
| DIAMETRE INTERIEUR | 16.0MM, 20.0MM, 22.2MM, 25.4MM, 55.0MM |