And there were four undersetters to the four corners of one base,.... Or pillars, as in 1 Kings 7:30
and the undersetters were of the base itself; they were cast together, and of the same piece of metal with it.
Related Commentaries of 1 Kings 7:34
1 Kings 7:34
34 And there were four undersetters to the four corners of one base: and the undersetters were of the very base itself.