| サイズ(内径×線径) | 呼び番号 | 品番 |
| 2.8-1.9 | P-2.8 | 1-440-01 |
| 3.8-1.9 | P-3.8 | 1-440-02 |
| 4.8-1.9 | P-4.8 | 1-440-03 |
| 6.8-1.9 | P-6.8 | 1-440-05 |
| 7.8-1.9 | P-7.8 | 1-440-06 |
| 9.8-1.9 | P-9.8 | 1-440-08 |
| 10.8-2.4 | P-10.8 | 1-440-09 |
| 11.8-2.4 | P-11.8 | 1-440-10 |
| 15.8-2.4 | P-15.8 | 1-440-13 |
| 17.8-2.4 | P-17.8 | 1-440-14 |