1) High quality 48mm*48mm 2) Specification completed 3) Low price 4) OEM is offered 1.surface finished galvanized or hot dip galvanized. 2.It is used on 48mm *48mm tube3.Forged putlog coupler4.High quality and reasonble price.5.scaffolding couper: reach to EN74,BS1139,classA/B6.weight;0.32kg Scaffold Couplers