... 60cm, height 10cm ISO 9001:2008 to build truss stage truss system/truss sleeve block material: 6061. T6, aluminum ISO ... flexible3,Widely use for performance equipment,exhibition truss,display trussAluminum truss beam: Size and specifications:20X20cm, tube size ... /tringle/layer/circleApplication: outdoor background, small span tent, truss boothSize and specifications: 30X30cm, tube size 50mm, thickness ...