Dimensions-D5
| No. | D5 | D6 |
| Part No. | RM17-26(Red) | RM17-26(Green) |
| Elements | 26 | 26 |
| I.D.(mm) | 17 | 17 |
| L(mm) | 216 | 216 |
| O.D.(mm) | 21 | 21 |
| A(mm) | 4.5 | 4.5 |
| Inner-core Color | Red | Green |
Btektech Industry
We have our own production factory and R&D team to ensure the stability of product quality and supply.