| | Steel and Aluminium End Frames - for both ends of a tunnel
| 21ft |
2.4m x 2.1m |
SS2105A |
| 24ft |
2.4m x 2.1m |
SS2405A |
| 28ft |
2.4m x 2.1m |
SS2805A |
| 33ft |
2.4m x 2.1m |
SS3305A |
| 6m |
2.4m x 2.1m |
SV605A |
| 7m |
2.4m x 2.1m |
SV705A |
| 8m |
2.4m x 2.1m |
SV805A |
| 9m |
2.4m x 2.1m |
SV905A |
| CBV 21ft span |
2.4m x 2.1m |
CBV59 |
| CBV 26ft span |
2.4m x 2.1m |
CBV69 |
|