| Designations | Tube O.D | (PT) T | a | width="98">
Width across flat | t | ℓ/t | Approx. | ||
| D | h | H | L1 | L | |||||
| BLF08-02R | 8 | 1/4 | 6 | 19 | 17 | 7.0 | 24 | 24 | 34.5 |
|---|---|---|---|---|---|---|---|---|---|
| BLF10-02R | 10 | 1/4 | 8 | 19 | 19 | 7.0 | 24 | 24 | 35.5 |
| BLF12-02R | 12 | 1/4 | 10 | 19 | 22 | 7.0 | 24 | 24 | 35.5 |
| BLF12-03R | 12 | 3/8 | 10 | 24 | 22 | 7.0 | 29 | 29 | 40.5 |
| BLF15-03R | 15 | 3/8 | 12 | 24 | 27 | 7.5 | 29 | 29 | 41.5 |
| BLF15-04R | 15 | 1/2 | 12 | 30 | 27 | 7.5 | 33 | 33 | 45.5 |
| BLF16-04R | 16 | 1/2 | 13 | 30 | 30 | 7.5 | 33 | 33 | 45.5 |
| BLF18-04R | 18 | 1/2 | 14 | 30 | 32 | 8.0 | 33 | 33 | 45.5 |
| BLF20-06R | 20 | 3/4 | 17 | 36 | 36 | 8.0 | 36 | 36 | 48.5 |
| BLF22-06R | 22 | 3/4 | 18 | 36 | 36 | 9.0 | 36 | 36 | 48.5 |
| BLF25-06R | 25 | 3/4 | 20 | 36 | 41 | 10.0 | 36 | 36 | 49.5 |
| BLF25-08R | 25 | 1 | 20 | 46 | 41 | 10.0 | 46 | 46 | 59.5 |
| BLF28-08R | 28 | 1 | 22 | 46 | 46 | 10.0 | 46 | 46 | 60.0 |
| BLF30-10R | 30 | 1 1/4 | 25 | 55 | 46 | 10.0 | 55 | 55 | 69.5 |
| BLF32-10R | 32 | 1 1/4 | 26 | 55 | 50 | 11.0 | 55 | 55 | 69.5 |
| BLF35-10R | 35 | 1 1/4 | 28 | 55 | 55 | 11.0 | 55 | 55 | 72.5 |