GT22 aluminum ladder vertical circle truss standard size as below.
Truss circle truss is 360 degree. Make a circle then need piece quantity: 360 degree/ truss section degree
| GT22-1M-90V | Diameter: 1M, 90 Degree A Section in Vertical |
| GT22-1M-180V | Diameter: 1M, 180 Degree A Section in Vertical |
| GT22-2M-90V | Diameter: 2M, 90 Degree A Section in Vertical |
| GT22-2M-180V | Diameter: 2M, 180 Degree A Section in Vertical |
| GT22-3M-60V | Diameter: 3M, 60 Degree A Section in Vertical |
| GT22-3M-90V | Diameter: 3M, 90 Degree A Section in Vertical |
| GT22-4M-60V | Diameter: 4M, 60 Degree A Section in Vertical |
| GT22-4M-90V | Diameter: 4M, 90 Degree A Section in Vertical |
| GT22-5M-45V | Diameter: 5M, 45 Degree A Section in Vertical |
| GT22-5M-60V | Diameter: 5M, 60 Degree A Section in Vertical |
| GT22-5M-90V | Diameter: 5M, 90 Degree A Section in Vertical |
| GT22-6M-30V | Diameter: 6M, 30 Degree A Section in Vertical |
| GT22-6M-45V | Diameter: 6M, 45 Degree A Section in Vertical |
| GT22-6M-60V | Diameter: 6M, 60 Degree A Section in Vertical |
| GT22-7M-45V | Diameter: 7M, 45 Degree A Section in Vertical |
| GT22-7M-60V | Diameter: 7M, 60 Degree A Section in Vertical |
| GT22-8M-30V | Diameter: 8M, 30 Degree A Section in Vertical |
| GT22-8M-45V | Diameter: 8M, 45 Degree A Section in Vertical |
| GT22-8M-60V | Diameter: 8M, 60 Degree A Section in Vertical |
| GT22-9M-30V | Diameter: 9M, 30 Degree A Section in Vertical |
| GT22-9M-45V | Diameter: 9M, 45 Degree A Section in Vertical |
| GT22-10M-30V | Diameter: 10M, 30 Degree A Section in Vertical |
| GT22-10M-45V | Diameter: 10M, 45 Degree A Section in Vertical |
