У разъем головкой

U head screw jack 1.Material:High grade carbon steel Q235,Q245 or as required. 2.Height:520mm,539mm,610mm,915mm,1524mm or as required. 3.Diameter of tube can be manufactured as your requirements. 4.Solid or hollow:both hollow and solid posts are available as required. 5.Surface finish: hot dip galvanized or electro galvanized. We can also manufature as your requirements,glad to give a quotation upon receipt of your detailed requirements.