Aluminum bolt truss 520x760mm(G-52764), use for lighting truss, display truss,  exhibition truss, smart truss, alu truss, speaker truss. roof truss, outdoor event truss etc.. G-52764 square truss information:  Model & length                               Spec                           Weight 

G-52764-50	520*760mm square segment, main tube:  ￠50*4mm ,brace tube:￠30*3mm,end side use aluminium plate 150*12mm	16.25
G-52764-100		23.1
G-52764-150		29.95
G-52764-200		36.8
G-52764-250		43.65
G-52764-300		50.5
G-52764-350		57.35
G-52764-400		64.2
G-52764-450		71.05
G-52764-500		77.9

 The other length can make from customized.  G-52764 square truss Max span: 22m (the distance between 2 pillar);  G-52764 square truss safety load:2800kg; 130kg/m  G-52764 square aluminum truss alway use for display show, hanging lights.advertising truss, background truss,lighting truss, speaker truss, led screen truss, roof truss,outdoor event truss, party truss, concert truss,performance truss etc..Commonly used in outdoor roof truss, pillar or beam truss.   China aluminum truss, lighting truss, stage truss, event truss and stage manufacture factory