2 Kings 25:17

And he fashioned the two pillars of bronze; eighteen cubits was the height of one pillar, and a line of twelve cubits measured the circumference of both.

“For thus says Yahweh of hosts concerning the pillars, concerning the sea, concerning the stands, and concerning the rest of the vessels that are left in this city,

Now on the tenth day of the fifth month, which was the nineteenth year of King Nebuchadnezzar, king of Babylon, Nebuzaradan the captain of the bodyguard, who stood before the king of Babylon, came to Jerusalem.

As for the pillars, the height of each pillar was eighteen cubits, and it was twelve cubits in circumference and four fingers in thickness, and hollow.

Now a capital of bronze was on it; and the height of each capital was five cubits, with network and pomegranates upon the capital all around, all of bronze. And the second pillar was like these, including pomegranates.