... 2.The shapedmore pleasing in appearance 3.Low cost4.Spigot truss: can be Square ,Renctangalar ,Triange . ... 150mm,200mm,250mm,300mm,350mm,400mm series5.The spigot truss size is 150mm*150mm, 200mm*200mm, 300mm* ... the maximal space 6.length is 15m,This Spigot truss main used for small mobile outdoor performances ... and so on.150mm, 200mm, 250mm, 300mm, spigot truss series: maint tube is 50*2.0mm,the ...