Job 19:24

“That with an iron stylus and lead
They were engraved in the rock forever!

Jeremiah 17:1

The sin of Judah is written down with an iron stylus;
With a diamond point it is engraved upon the tablet of their heart
And on the horns of their altars,

Exodus 28:11-12

As a jeweler engraves a signet, you shall engrave the two stones according to the names of the sons of Israel; you shall set them in filigree settings of gold.

Exodus 28:21

The stones shall be according to the names of the sons of Israel: twelve, according to their names; they shall be like the engravings of a seal, each according to his name for the twelve tribes.

Exodus 32:16

The tablets were God’s work, and the writing was God’s writing engraved on the tablets.

Deuteronomy 27:2-3

So it shall be on the day when you cross the Jordan to the land which the Lord your God gives you, that you shall set up for yourself large stones and coat them with lime

Deuteronomy 27:8

You shall write on the stones all the words of this law very distinctly.”

Treasury of Scripture Knowledge

Summary

That they were graven with an iron pen and lead in the rock for ever!

General references

Bible References

Graven

Exodus 28:11
As a jeweler engraves a signet, you shall engrave the two stones according to the names of the sons of Israel; you shall set them in filigree settings of gold.
Exodus 32:16
The tablets were God’s work, and the writing was God’s writing engraved on the tablets.
Deuteronomy 27:2
So it shall be on the day when you cross the Jordan to the land which the Lord your God gives you, that you shall set up for yourself large stones and coat them with lime
Jeremiah 17:1
The sin of Judah is written down with an iron stylus;
With a diamond point it is engraved upon the tablet of their heart
And on the horns of their altars,

General references

Deuteronomy 6:9
You shall write them on the doorposts of your house and on your gates.
Jeremiah 30:2
“Thus says the Lord, the God of Israel, ‘Write all the words which I have spoken to you in a book.