Specificati***1,aluminumtruss,spigottruss,2,differentsize3,lighttruss,stagetruss,buildtruss4,goodcreditSpecificati***PerformanceEquipment/LightingEquipment/ExibitionTrussUsage:trussisusedforhangingspeakersandlightsMaterial:hardpressedextrudedaluminumalloy6061/6063/6082Eachlengthcanbe1m/2m/3m/4mSize:200*200,300*300,400*400,500*600,520*760mmitdependsontheloadMaintube:50*3mm,50*4mmBracetube:30*2mm,30*3mmConnectionbyscreworconicalcoupleShape:square,triangle,layer,circleSuchstagecanbeusedinexhibition,performance,advertisemt,outdoorcelebration,flowperformance)