2 Kings 6:6 And the man of God said, Where fell it? And he shewed him the place. And he cut down a stick, and cast it in thither; and the iron did swim. 2 I MC VC

2 Chronicles 18:10 And Zedekiah the son of Chenaanah had made him horns of iron, and said, Thus saith the Lord, With these thou shalt push Syria until they be consumed. MC VC

Ecclesiastes 10:10 If the iron be blunt, and he do not whet the edge, then must he put to more strength: but wisdom is profitable to direct. MC VC

Isaiah 10:34 And he shall cut down the thickets of the forest with iron, and Lebanon shall fall by a mighty one. MC VC