He made the poles of acacia wood, and overlaid them with brass.
Referenced Verses
Exod 25:6 : 6 oil for the light, spices for the anointing oil and for the sweet incense,
Deut 10:3 : 3 So I made an ark of acacia wood, and cut two tables of stone like the first, and went up onto the mountain, having the two tables in my hand.