Metric Tube (mm)
| Item No. | Tube ΦD1 | Tube ΦD2 |
| BPG 06-04 | 6mm | 4mm |
| BPG 08-04 | 8mm | 4mm |
| BPG 08-06 | 8mm | 6mm |
| BPG 10-04 | 10mm | 4mm |
| BPG 10-06 | 10mm | 6mm |
| BPG 10-08 | 10mm | 8mm |
| BPG 12-06 | 12mm | 6mm |
| BPG 12-08 | 12mm | 8mm |
| BPG 12-10 | 12mm | 10mm |
Inch Tube (inch)
| Item No. | Tube ΦD1 | Tube ΦD2 |
| BPG 3/16-5/32 | 3/16″ | 5/32″ |
| BPG 1/4-5/32 | 1/4″ | 5/32″ |
| BPG 1/4-3/16 | 1/4″ | 3/16″ |
| BPG 5/16-5/32 | 5/16″ | 5/32″ |
| BPG 5/16-1/4 | 5/16″ | 1/4″ |
| BPG 3/8-1/4 | 3/8″ | 1/4″ |
| BPG 3/8-5/16 | 3/8″ | 5/16″ |
| BPG 1/2-3/8 | 1/2″ | 3/8 |