Manufacture from 48.3x4.0mm Steel Tube "V"pressings in clusters at 495mm intervals to provide connection points for the Ledgers & Transoms Spigot at head.
| Size | Weight(KG) | DRWG No. | Product Code |
| 0.5 | 3.00 | 1 | SEU/B1-001 |
| 1.0 | 6.20 | 2 | SEU/B1-002 |
| 1.5 | 8.50 | 3 | SEU/B1-003 |
| 2.0 | 11.70 | 4 | SEU/B1-004 |
| 2.5 | 114.40 | 5 | SEU/B1-005 |
| 3.0 | 17.20 | 6 | SEU/B1-006 |
