Description
| Part Ref | Part Ref | Tube OD |
| BRASS | STEEL | |
| O4B | – | 4 mm |
| O6B | O6 | 6 mm |
| O8B | O8 | 8 mm |
| O9B | – | 9 mm |
| O10B | O10 | 10 mm |
| O12B | O12 | 12 mm |
| O15B | O15 | 15 mm |
| O16B | O16 | 16 mm |
| O18B | O18 | 18 mm |
| O20B | – | 20 mm |
| Part Ref | Part Ref | Tube OD |
| BRASS | STEEL | |
| O4B | – | 4 mm |
| O6B | O6 | 6 mm |
| O8B | O8 | 8 mm |
| O9B | – | 9 mm |
| O10B | O10 | 10 mm |
| O12B | O12 | 12 mm |
| O15B | O15 | 15 mm |
| O16B | O16 | 16 mm |
| O18B | O18 | 18 mm |
| O20B | – | 20 mm |