Exodus 38:6 in the King James Version
And he made the staves of shittim wood, and overlaid them with brass.
Context
5 He cast four rings for the four corners of bronze grating, to be places for the poles.
6 He made the poles of acacia wood, and overlaid them with bronze.
7 He put the poles into the rings on the sides of the altar, with which to carry it. He made it hollow with planks.