Exodus 27:4-6

Revised Standard Version

⁴ You shall also make for it a grating, a network of bronze; and upon the net you shall make four bronze rings at its four corners. ⁵ And you shall set it under the ledge of the altar so that the net shall extend halfway down the altar. ⁶ And you shall make poles for the altar, poles of acacia wood, and overlay them with bronze;