... tube 1.metal :Q235 2.size : as your want 3.good quality and best price 4.ISO9001 :2008 approved scaffolding ... 6mm, 1.8mm, 2.0mm, 2.2mm, 2.5mm, 3.0mm, 3.5mm, 4.0mm6 Top/Bottom plate: Flat Square / flower ... – Open):1.7-3.0M, 1.8-3.2M, 1.9-3.5M, 2.0-3.5M, 2.0-3.6M, 2.1-3.9M, 2.2 ... -3.9M,2.2- ... , 2.4-3.9M, 2.5-3.9M, 2.5-4.5M, 3.5-5.5M, 3.5-6.0M, 3.9-6.0M8 ...