Model Number: xfh119 Brand Name: STAR Key Specifications/Special Features: Sizes:150*150/200*200/250*250/300*300mm is light duty truss350*350/400*400/450*450/500*500mm is medium duty truss500*600/600*720/720*960mm is heavy duty trussLength: 0.5 to 4mAll made of aluminum alloy 6082-t6 or steel can made exhibition trussWe have spigot truss and screw truss and other abnomity accessories, according to the loading capacity truss can be classified heavy duty exhibition truss, medium duty exhibition truss and light duty medium exhibition trussAll kinds of truss can be retread and reused, because it has high corrosion resistance, non-toxic with high technical welder and good quality of alloy aluminum tube