Parallel
Jeremiah 17:1
King James Version (1769 Blayney revision, with Apocrypha) · Berean Standard Bible
The sin of Judah is written with a pen of iron, and with the point (note: Heb. nail) of a diamond: it is graven upon the table of their heart, and upon the horns of your altars;
“The sin of Judah is written with an iron stylus, engraved with a diamond point on the tablets of their hearts and on the horns of their altars.