| Fersa | 内直径(mm) | 外径(mm) | T(毫米) | 重量(Kg) |
|---|---|---|---|---|
| FDRK 223F OB | - | - | - | 11.40 |
| FDRK 223R | - | - | - | 8.20 |
| FDRK 223R OB | - | - | - | 8.00 |
| FDRK 225 X | - | - | - | 7.10 |
| FDRK 23 | - | - | - | 6.60 |
| FDRK 23 OB | - | - | - | 6.40 |
| FDRK 23D | - | - | - | 7.40 |
| FDRK 23D OB | - | - | - | 7.70 |
| FDRK 284 OB | - | - | - | 4.36 |
| FDRK 307A | - | - | - | 3.50 |
| FDRK 307A OB | - | - | - | 3.00 |
| FDRK 307AR | - | - | - | 2.90 |
| FDRK 339B OB | - | - | - | 2.60 |
| FDRK 401 | - | - | - | 14.00 |
| FDRK 401 OB | - | - | - | 13.80 |
| FDRK 402 | - | - | - | 13.20 |
| FDRK 402 OB | - | - | - | 13.00 |
| FDRK 403 | - | - | - | 8.84 |
| FDRK 403 OB | - | - | - | 8.50 |
| FDRK 404 FA X | - | - | - | 11.00 |