4 Bible Verses about Iron Objects

When they had passed the first and the second guard, they came to the iron gate leading into the city. It opened for them by itself, and they went out and passed on through one street; and immediately the angel left him.

And she gave birth to a son, a male child, who is to rule all the nations with a rod of iron; and her child was caught up to God and to his throne.

"He shall rule them with a rod of iron; as when potter's vessels are broken in pieces"

From his mouth comes a sharp sword with which to strike down the nations, and he will rule them with a rod of iron; he treads the wine press of the fury of the wrath of God the Almighty.