... 30 * 2mm Single length: 1m, 2m, 3m, 4m,and so on Style:straight frame, round frame, arc frame Color: Optional. Connection ... certificatedRemark:we are professional manufacturer of truss, we design, making-up, setting-up, according to your require, we can design the most ... glass,toughened glassMax loading: 700kg/square metereasy to set up and remove and moveable 5mx3m background truss,promotion truss