Exodus 27:1-2

New Revised Standard Version, Anglicised Catholic Edition

The Altar of Burnt-Offering

27 You shall make the altar of acacia wood, five cubits long and five cubits wide; the altar shall be square, and it shall be three cubits high. ² You shall make horns for it on its four corners; its horns shall be of one piece with it, and you shall overlay it with bronze.