4 Bible Verses about Iron Objects

So passing through the first ward and the second, they came to the iron door which leads into the city, which opened to them spontaneously: and being come out, they walked forward through one street; and immediately the angel departed from him.

And she brought forth a male child, who should rule the nations with an iron sceptre: and her infant was caught up to God, and his throne.

he shall rule them with a rod of iron; as a potter's vessels they shall be broken in pieces, even as I have received authority from my Father:

And out of his mouth proceeded a sharp sword, that therewith he may smite the heathen and he will rule them with an iron sceptre: and he will tread the wine-press of the fury and of the wrath of God Almighty.