| Model No. | A (mm) | L (mm) |
|---|---|---|
| BP-5 | Through | 5 |
| BP-7.5 | Through | 7.5 |
| BP-10 | Through | 10 |
| BP-12.5 | Through | 12.5 |
| BP-15 | 6 | 15 |
| BP-17.5 | 6 | 17.5 |
| BP-20 | 6 | 20 |
| BP-25 | 6 | 25 |
| BP-30 | 6 | 30 |
 |
 |
| Model No. | L (mm) |
|---|---|
| 4BP-4 | 4 |
| 4BP-5 | 5 |
| 4BP-6 | 6 |
| 4BP-7 | 7 |
| 4BP-8 | 8 |
| 4BP-9 | 9 |
| 4BP-10 | 10 |
| 4BP-11 | 11 |
| 4BP-12 | 12 |
| 4BP-13 | 13 |
| 4BP-14 | 14 |
| 4BP-15 | 15 |
| 4BP-16 | 16 |
| 4BP-17 | 17 |
| 4BP-18 | 18 |
| 4BP-19 | 19 |
| 4BP-20 | 20 |
| 4BP-25 | 25 |
| 4BP-30 | 30 |
 |
 |