Deuteronomy 27:5

Modern King James Version

And you shall build an altar there to Jehovah your God, an altar of stones. You shall not lift up any iron tool on them.

Cross References

Exodus 20:25

And if you will make Me an altar of stone, you shall not build it of cut stone. For if you lift up your tool upon it, you have defiled it.

Exodus 24:4

And Moses wrote all the Words of Jehovah, and rose up early in the morning, and built an altar below the mountain and twelve pillars according to the twelve tribes of Israel.

Deuteronomy 27:6

You shall build the altar of Jehovah your God of uncut stones, and you shall offer burnt offerings on it to Jehovah your God.

1 Kings 6:7

And when it was being built, the house was built of stone made ready beforehand. And there was not heard in the house a hammer or an axe, or any iron tool, while it was being built.