方形管塞 ‖ 內塞
規格
| 長度 | 寬度 |
| 20MM | 20MM |
| 25MM | 25MM |
| 30MM | 30MM |
| 32MM | 32MM |
| 38MM | 38MM |
| 50MM | 50MM |
| 長度 | 寬度 |
| 20MM | 40MM |
| 25MM | 50MM |
| 30MM | 50MM |
| 10MM | 20MM |
| 15MM | 30MM |
| 13MM | 26MM |
