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| Specification | ID(±0.3) | OD(±0.3) | Length |
| FR10 | 2.0 | 3.3 |
1000±20mm (can be customized) |
| FR12 | 2.4 | 4.0 | |
| FR14 | 2.8 | 4.7 | |
| FR16 | 3.3 | 5.3 | |
| FR18 | 3.8 | 6.0 | |
| FR20 | 4.1 | 6.7 | |
| FR22 | 4.6 | 7.3 | |
| FR24 | 5.1 | 8.0 |
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