Berean Study Bible (BSB) - Deuteronomy 27:5 >

Moreover, you are to build there an altar to the LORD your God, an altar of stones. You must not use any iron tool on them.

Jewish Publication Society of America Version (JPS1917) - Deuteronomy 27:5 >

And there shalt thou build an altar unto the LORD thy God, an altar of stones; thou shalt lift up no iron tool upon them.