Exodus 27:17-19

New International Version

¹⁷ All the posts around the courtyard are to have silver bands and hooks, and bronze bases. ¹⁸ The courtyard shall be a hundred cubits long and fifty cubits wide,^[a] with curtains of finely twisted linen five cubits^[b] high, and with bronze bases. ¹⁹ All the other articles used in the service of the tabernacle, whatever their function, including all the tent pegs for it and those for the courtyard, are to be of bronze.