1 Kings 7:33
"And the work of the wheels was like the work of a chariot wheel: their axletrees, and their naves, and their felloes, and their spokes, were all molten."
Cross References (ranked by relevance)
Ezekiel 1:18
As for their rings, they were so high that they were dreadful; and their rings were full of eyes round about them four.
Ezekiel 1:16
The appearance of the wheels and their work was like unto the colour of a beryl: and they four had one likeness: and their appearance and their work was as it were a wheel in the middle of a wheel.