Job 19:24

That, with a stylus of iron and with lead, for all time - in the rock, they could be graven!

Jeremiah 17:1

The sin of Judah, is written With a stylus of iron, With the point of a diamond: It is engraved Upon the tablet of their heart, And upon the horns of your altars;

Exodus 28:11-12

with the work of a stone engraver, like seal-ring engravings, shalt thou engrave the two stones, after the names of the sons of Israel, - to be encircled with settings of gold, shalt thou make them.

Exodus 28:21

And the stones shall be after the names of the sons of Israel - twelve, after their names, - as the engravings of a seal-ring everyone after his name, shall they be, for the twelve tribes,

Exodus 32:16

Now as for, the tables, the work of God, they were, - and, as for the writing, the writing of God, it was, graven upon the tables.

Deuteronomy 27:2-3

So then it shall be in the day when ye shall pass over the Jordan, into the land which Yahweh thy God is giving unto thee, - that thou shalt rear thee up great stones, and plaster them with plaster;

Deuteronomy 27:8

And thou shalt write upon the stones all the words of this law doing it plainly and well.

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
with the work of a stone engraver, like seal-ring engravings, shalt thou engrave the two stones, after the names of the sons of Israel, - to be encircled with settings of gold, shalt thou make them.
Exodus 32:16
Now as for, the tables, the work of God, they were, - and, as for the writing, the writing of God, it was, graven upon the tables.
Deuteronomy 27:2
So then it shall be in the day when ye shall pass over the Jordan, into the land which Yahweh thy God is giving unto thee, - that thou shalt rear thee up great stones, and plaster them with plaster;
Jeremiah 17:1
The sin of Judah, is written With a stylus of iron, With the point of a diamond: It is engraved Upon the tablet of their heart, And upon the horns of your altars;

General references

Deuteronomy 6:9
and thou shalt write them upon the pests of thy house and within thy gates.
Jeremiah 30:2
Thus, speaketh Yahweh, God of Israel, saying, - Write thee all the words which I have spoken unto thee in a scroll;