Jeremiah 15:20
And I will make you to this people a fenced brazen wall: and they shall fight against you, but they shall not prevail against you: for I am with you to save you and to deliver you, said the LORD.
Torrey's Topical Textbook—AKJV

Micah 4:13
Arise and thresh, O daughter of Zion: for I will make your horn iron, and I will make your hoofs brass: and you shall beat in pieces many people: and I will consecrate their gain to the LORD, and their substance to the Lord of the whole earth.
Torrey's Topical Textbook—AKJV