Exodus 38:6-8

New King James Version

⁶ And he made the poles of acacia wood, and overlaid them with bronze. ⁷ Then he put the poles into the rings on the sides of the altar, with which to bear it. He made the altar hollow with boards.

Making the Bronze Laver

⁸ He made ^(A)the laver of bronze and its base of bronze, from the bronze mirrors of the serving women who assembled at the door of the tabernacle of meeting.