The wheels were made like chariot wheels; their axles, rims, spokes, and hubs were all of cast metal.
We have here an account of the brass-work about the temple. There was no iron about the temple, though we find David preparing for the temple iron for things of iron, Ch1 29:2. What those things were we are not told, but some of the things of brass are here described and the rest mentioned. I.
Commenting on 1 Kings 7:13-47
And there were four undersetters to the four corners of one base,.... Or pillars, as in Kg1 7:30. and the undersetters were of the base itself; they were cast together, and of the same piece of metal with it.
HIRAM'S WORKS. (1Ki. 7:13-51) Solomon sent and fetched Hiram out of Tyre--The Tyrians and other inhabitants on the Phœnician coast were the most renowned artists and workers in metal in the ancient world.
Commenting on 1 Kings 7:13-51