King James Version
And if thou wilt make me an altar of stone, thou shalt not build it of hewn stone: for if thou lift up thy tool upon it, thou hast polluted it.English Standard Version
If you make me an altar of stone, you shall not build it of hewn stones, for if you wield your tool on it you profane it.New International Version
If you make an altar of stones for me, do not build it with dressed stones, for you will defile it if you use a tool on it.