and you shall build, in that place, an altar to the Lord your God out of stones which have not been touched by iron
Other versions
King James Version
And there shalt thou build an altar unto the LORD thy God, an altar of stones: thou shalt not lift up any iron tool upon them.English Standard Version
And there you shall build an altar to the LORD your God, an altar of stones. You shall wield no iron tool on them;New International Version
Build there an altar to the LORD your God, an altar of stones. Do not use any iron tool upon them.