GT42 aluminum ladder horizontal circle truss standard size as below.
Truss circle truss is 360 degree. Make a circle then need piece quantity: 360 degree/ truss section degree
| GT42-2M-180H | Diameter: 2.0M, A Section 180 Degree Horizontal |
| GT42-3M-90H | Diameter: 3.0M, A Section 90 Degree Horizontal |
| GT42-3M-180H | Diameter: 3.0M, A Section 180 Degree Horizontal |
| GT42-4M-90H | Diameter: 4.0M, A Section 90 Degree Horizontal |
| GT42-5M-45H | Diameter: 5.0M, A Section 45 Degree Horizontal |
| GT42-6M-45H | Diameter: 6.0M, A Section 45 Degree Horizontal |
| GT42-7M-45H | Diameter: 7.0M, A Section 45 Degree Horizontal |
| GT42-8M-45H | Diameter: 8.0M, A Section 45 Degree Horizontal |
| GT42-9M-45H | Diameter: 9.0M, A Section 45 Degree Horizontal |
| GT42-10M-30H | Diameter: 10 M, A Section 30 Degree Horizontal |
| GT42-11M-30H | Diameter: 11 M, A Section 30 Degree Horizontal |
| GT42-12M-30H | Diameter: 12M, A Section 30 Degree Horizontal |
| GT42-13M-30H | Diameter: 13M, A Section 30 Degree Horizontal |
| GT42-14M-30H | Diameter: 14M, A Section 30 Degree Horizontal |
| GT42-15M-30H | Diameter: 15M, A Section 30 Degree Horizontal |
