... on1m-4m The shapedmore pleasing in appearance Low cost Spigot truss: can be Square ,Renctangalar ,Triange .150mm,200mm,250mm,300mm, ... 350mm,400mm seriesThe spigot truss size is 150mm*150mm, 200mm*200mm, 300mm*300mm, 350mm*350mm ... long-span,quick building,Spigot truss can build the maximal space length is 15m,This Spigot truss main used for small mobile ...