Exodus 27:11

Likewise for the length of the north side, there shall be hangings one hundred cubits long, and its pillars twenty, and their sockets twenty, of bronze; the hooks of the pillars, and their fillets, of silver.

And likewise for the north side in length there shall be hangings of an hundred cubits long, and his twenty pillars and their twenty sockets of brass; the hooks of the pillars and their fillets of silver.