... alloyTop floor: can be made by 18mm thickness plywood,,organic glass,toughened glass Max loading: 7ookg/square metereasy to set up and ... be used for concert,show,musicial party,performance,event. Truss Material size details: 150*150mm,200 * 200mm,300*300mm, 400*400mm ... aluminum alloy Frame :4,3,2 Type: 4,3,2. Material: Aluminum 606,160,636,082 Head (diameter * thickness): 50 * 3mm ...