The truss is a large truss this 500x600mm, materials with high strength aluminum alloy type material, the appearance of the welding process requirements do too, smooth surface, simple, small footprint and easy installation, which is suitable for a variety of large-scale performances of stage lighting demand. Other notes bearing data 12m 14m 16m 18m 20m center load kg 780 680 580 480 380 bearing camber mm 20 25 45 92 120 Average load kg 1150 1100 1050 1000 950 bearing camber mm 68 81 98 116 122 Model Specifications competent specifications Vice tube specifications inclined tube Specifications for each length of TB-5060 500 * 600mm 50 * 3mm 50 * 2mm 30 * 2mm 500mm TB-5060 500 * 600mm 50 * 3mm 50 * 2mm 30 * 2mm 1000mm TB-5060 500 * 600mm 50 * 3mm 50 * 2mm 30 * 2mm 2000mm TB-5060 500 * 600mm 50 * 3mm 50 * 2mm 30 * 2mm 3000mm TB-5060 500 * 600mm 50 * 3mm 50 * 2mm 30 * 2mm 4000mm