1.Q235Q255Q345 2.HDG, Galvaznied, Painted 3.ISO9001:2008 4.EN74,BS1139, AS1576 ItemScaffold Tube Internal JoinersMaterialQ235Q255Q345Surface TreatmentHDG,Galvanized, paintedNet Weight0.95-1.21KGSize48.3*48.3mmNut Size17mm,19mm,21mm,22mm,23mmBolt Size87mm, 1/2", M14Shim Size4mmColorSilverProcessDrop ForgedCertificationISO9001:2008StandardEN74, BS1139, AS1576FeatureSkidproof, Antirust, High ...