... , connect with "u" profile Model No: FAS-SPModel Name: Scaffolding System-Steel Plank BoardFeatures:1) Dimensions (Lx W ): 730x 320mm, 1090x320mm, 1400x320mm,1570x320mm ... , 2070x320mm, 2570x320mm, 3070x320mm,4140x320mm2) Made of steel channel and 2mm thickness steel ...