SQUARE TRUSS 1. Mateiral: Aluminum 6082 T6 2. Junction way: Spigot 3. Main tube: 50*3mm 4. Braces: 25*2mm5. Brace tube on 4 sides 6. Certificate: TUV, CE, ISO & SGSSQUARE TRUSS 400x400x2 METERS - 3mm