1.Q235Q255345 2.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*48.3mmNut Size17mm ...