Main components:
1. Tube is hot dip galvanized finish in steel q345, ¦µ48.33mm x 3.2mm thickness;
2. Stand lenght: 0.5m, 1.0m, 1.5m, 2.0m, 3.0m;
3. Ledger length: 1.15m, 1.57m, 1.83m, 2.13m, 2.44m, 3.05m;
4. Others: diagonal brace, horizontal truss, base jack, swivel base jack, adaptor coupler;
