... ton 2012 OEM factoty 290mm led screen truss in display*MAIN INFORMATION OF THE LED SCREEN TRUSSItem No.ACE A2929Size290*290mmSingle ... tube50*2.0mmDiagonal Tube32*2.0mm*AVAILABLE SHAPE OF THE LED SCREEN TRUSSSquare ,rectangle, triangle, layer, circle, arch, flat* ... .Wide use in many situation*WIDE APPLICATION WITH THE LED SCREEN TRUSSPerformance stage, outdoor and indoor concert, exhibit and display ...