Jeremiah 52:21

Revised Standard Version

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

Cross References

2 Kings 25:17

The height of the one pillar was eighteen cubits, and upon it was a capital of bronze; the height of the capital was three cubits; a network and pomegranates, all of bronze, were upon the capital round about. And the second pillar had the like, with the network.