... Galvanized,HDG, Drop Forged 3.ISO9001:2008, EN74, BS1139, AS1576 4.48.3mm*48.3mm Swivel Coupler Galvanized for ScaffoldingMaterialQ235Q255Q345Surface TreatmentHDG,Galvanized, paintedNet Weight0.95-1.21KGSize48.3*48 ... product: Scaffolding System( Kwikstage, Cuplock, Ringlock, Haki); Scaffold Coupler( British ... ,Formworks, Frame System, Scaffold Steel Tubes, Accessories, Steel / Aluminum Planks etc.3 ...