New International Version
They are all hardened rebels, going about to slander. They are bronze and iron; they all act corruptly.

American Standard Version
They are all grievous revolters, going about with slanders; they are brass and iron: they all of them deal corruptly.

Berean Study Bible
All are hardened rebels, walking around as slanderers. They are bronze and iron; all of them are corrupt.

Douay-Rheims Bible
All of these princes go out of the way, they walk deceitfully, they are brass and iron: they are all corrupted.

English Revised Version
They are all grievous revolters, going about with slanders; they are brass and iron: they all of them deal corruptly.

King James Bible
They are all grievous revolters, walking with slanders: they are brass and iron; they are all corrupters.

World English Bible
They are all grievous rebels, going about with slanders; they are brass and iron: they all of them deal corruptly.

Young's Literal Translation
All of them are turned aside by apostates, Walking slanderously -- brass and iron, All of them are corrupters.

Jeremiah 6:28 Additional Translations ...