main frames scaffolding .Professional manufacturer supply by high quality but lowest cost. OEM is acceptable. work frame scaffolding, Mason frames, Shoring framesCommon size : 914x914mm , 914x1524mm, 914x1829mm, 1524x1524mm ,1000x2000mmTube dia.42mm, thickness: 2.0mm, 2.3mmBasic unit: 2pcs frame, 2sets cross brace, 4pcs coupling pinsSurface treatment: Zinc plating, Powder coating, Hot dip ...