| Fersa | 内直径(mm) | 外径(mm) | T(毫米) | 重量(Kg) |
|---|---|---|---|---|
| FDRK 1 | - | - | - | 6.67 |
| FDRK 1 OB | - | - | - | 6.50 |
| FDRK 1000 | - | - | - | - |
| FDRK 1000 OB | - | - | - | - |
| FDRK 1001 | - | - | - | - |
| FDRK 1001 OB | - | - | - | - |
| FDRK 1002 | - | - | - | - |
| FDRK 1002 OB | - | - | - | - |
| FDRK 1003 | - | - | - | - |
| FDRK 1003 OB | - | - | - | - |
| FDRK 1004 | - | - | - | - |
| FDRK 1004 OB | - | - | - | - |
| FDRK 1005 | - | - | - | - |
| FDRK 1005 OB | - | - | - | - |
| FDRK 1006 | - | - | - | - |
| FDRK 1006 OB | - | - | - | - |
| FDRK 1007 | - | - | - | - |
| FDRK 1007 OB | - | - | - | - |
| FDRK 1008 | - | - | - | - |
| FDRK 1008 OB | - | - | - | - |