scalffolding tubes hot dip galvanized 48.3x3.2x6 main part of scalffolding system,made of mild steel coil and hot dip galvanized. scalffolding tubes hot dip galvanized 48.3x3.2x6 main part of scalffolding system,made of mild steel coil and hot dip galvanized. scalffolding tubes hot dip galvanized 48.3x3.2x6 main part of scalffolding system,made of mild steel coil and hot dip galvanized. scalffolding tubes hot dip galvanized 48.3x3.2x6 main part of scalffolding system,made of mild steel coil and hot dip galvanized.