中間的薄膜可以被穿透
以便被不同尺寸的電線通過
| 料號 | 類型 | 材料 | D (mm) | d1 (mm) | d2 (mm) | h (mm) | H (mm) |
| 10134 | 1 | PVC | 25.5 | 15.5 | 19 | 2.4 | 8.8 |
| 10187 | 1 | PVC | 25.5 | 15.5 | 20 | 1.6 | 8 |
| 10806 | 1 | PVC | 36.5 | 19 | 25.5 | 2.4 | 8.4 |
| 15512 | 1 | PVC | 25.4 | 15.9 | 19 | 2 | 7.9 |
| 19426 | 1 | PVC | 19 | 11 | 16 | 1.5 | 5.8 |
| 19427 | 1 | PVC | 22 | 12.5 | 16 | 2.4 | 8 |
| 19428 | 1 | PVC | 25.5 | 15.5 | 19 | 1.6 | 8 |
| 19429 | 1 | PVC | 25.5 | 15.5 | 19 | 3.2 | 9.6 |
| 19430 | 1 | PVC | 39 | 25.5 | 32 | 2.4 | 8 |
| 19431 | 1 | PVC | 39 | 25.5 | 32 | 4 | 9.5 |
| 19432 | 2 | PVC | 12.7 | 6.4 | 9.9 | 1.6 | 6.7 |
| 19433 | 2 | PVC | 15.7 | 9.5 | 12.5 | 1.5 | 6.4 |
| 19434 | 2 | PVC | 17.5 | 8 | 11 | 1.6 | 8 |
| 19435 | 2 | PVC | 19 | 11 | 16 | 1.6 | 8 |
| 19436 | 2 | PVC | 25.5 | 18.8 | 22 | 1.6 | 8 |
| 19437 | 2 | PVC | 25.5 | 16 | 19 | 1.5 | 7 |
| 19438 | 2 | PVC | 25.5 | 16 | 20 | 1.5 | 7 |
| 19439 | 2 | PVC | 30 | 20.5 | 25.5 | 1.5 | 8 |
| 19442 | 2 | TPE | 49 | 31 | 42 | 2.4 | 10.1 |
| DGB-10 | 2 | TPE | 25.5 | 18.4 | 22 | 1.5 | 8 |
| DGB-11 | 2 | TPE | 25.5 | 16 | 16 | 1.5 | 7 |
| DGB-13 | 2 | TPE | 30 | 20.5 | 25.5 | 1.5 | 8 |
| DGB-2.5 | 2 | TPE | 9.4 | 4.1 | 6.4 | 0.8 | 3.6 |
| DGB-4 | 2 | TPE | 12.7 | 6.4 | 9.9 | 1.5 | 6.6 |
| DGB-5 | 2 | TPE | 15.7 | 9.5 | 12.5 | 1.5 | 6.4 |
| DGB-6 | 2 | TPE | 17.5 | 8 | 11 | 1.5 | 8 |
| DGB-7 | 2 | TPE | 19 | 11 | 16 | 1.5 | 8 |
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