Exodus 27:10

And its twenty pillars and their twenty bases [will be] bronze; the hooks of the pillars and their bands [will be] silver.

Exodus 26:19-21

And you will make forty silver bases under the twenty frames, [with] two bases under the one frame for its two {pegs} and two bases under the {next} frame for its two {pegs}.

Exodus 36:38

and the five pillars and their hooks, and he overlaid their tops and their connections [with] gold, and their five bases [were] bronze.

Jeremiah 52:21

Now the pillars, [the] height of one pillar [was] eighteen cubits, and a thread of twelve cubits surrounded it, and its thickness [was] four fingers, hollowed out.

Treasury of Scripture Knowledge

Summary

And the twenty pillars thereof and their twenty sockets shall be of brass; the hooks of the pillars and their fillets shall be of silver.

Sockets shall be of brass

Fillets shall be of silver

Bible References

Sockets shall be of brass

Exodus 26:19
And you will make forty silver bases under the twenty frames, [with] two bases under the one frame for its two {pegs} and two bases under the {next} frame for its two {pegs}.

Fillets shall be of silver

Exodus 36:38
and the five pillars and their hooks, and he overlaid their tops and their connections [with] gold, and their five bases [were] bronze.
Jeremiah 52:21
Now the pillars, [the] height of one pillar [was] eighteen cubits, and a thread of twelve cubits surrounded it, and its thickness [was] four fingers, hollowed out.