ESV: And the heavens over your head shall be bronze, and the earth under you shall be iron.
NIV: The sky over your head will be bronze, the ground beneath you iron.
NASB: The heaven which is over your head shall be bronze, and the earth which is under you, iron.
CSB: The sky above you will be bronze, and the earth beneath you iron.
NLT: The skies above will be as unyielding as bronze, and the earth beneath will be as hard as iron.
KJV: And thy heaven that is over thy head shall be brass, and the earth that is under thee shall be iron.
NKJV: And your heavens which are over your head shall be bronze, and the earth which is under you shall be iron.
