Exodus 27:10

Its twenty pillars and their twenty bases shall be of bronze, but the hooks of the pillars and their fillets shall be of silver.

Exodus 26:19-21

and forty bases of silver you shall make under the twenty frames, two bases under one frame for its two tenons, and two bases under the next frame for its two tenons;

Exodus 36:38

and its five pillars with their hooks. He overlaid their capitals, and their fillets were of gold, but their five bases were of bronze.

Jeremiah 52:21

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.

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 forty bases of silver you shall make under the twenty frames, two bases under one frame for its two tenons, and two bases under the next frame for its two tenons;

Fillets shall be of silver

Exodus 36:38
and its five pillars with their hooks. He overlaid their capitals, and their fillets were of gold, but their five bases were of bronze.
Jeremiah 52:21
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.

The Holy Bible, English Standard Version® copyright © 2001 by Crossway Bibles, a publishing ministry of Good News Publishers.