Scaffolding couplers 1.Material: ZG35 2.Spec& Weight: 1.08kg 3.High quality and low price 4.OEM service Ringlock system scaffold,German type swivel coupler KJ-04Name: The scaffolding accessories— scaffolding coupler KJ-04Material: casting steel, ZG35Surface treatment: Galvanized/painted/spray painting/powder-coated/electro-galvanizationSpecification: suit forΦ48.3 mm pipeWeight: 1.08 kg/pieceUse: ...