Manufacturer: Weifang east steel pipe Co.,ltd. Material: Scaffolding steel pipe Standard: EN39(BS1139), JIS G3444 Purpose: Building scaffolding Sizes: O. D.48.0mm*3.2/4.0mm O. D.48.6 mm*2.3mm, Length: 1500~7315mm Appearance: Both inner and outer is be galvanized