section size 290x290mm(300x300mm). main tube: Φ50x3mm , Dupety tube: Φ 30x2mm, Snakebrace: Φ 25x2mm, material alu-6061 T6, Max span 14m
section size 290x290mm(300x300mm).
main tube: Φ50x3mm , Dupety tube: Φ 30x2mm,
Snakebrace: Φ 25x2mm,
material alu-6061 T6,
Max span 14m