עַמּוּדֵיהֶ֣ם עֶשְׂרִ֔ים וְאַדְנֵיהֶ֥ם עֶשְׂרִ֖ים נְחֹ֑שֶׁת וָוֵ֧י הָעַמֻּדִ֛ים וַחֲשֻׁקֵיהֶ֖ם כָּֽסֶף׃
Their pillars were twenty, and their sockets twenty, of brass; the hooks of the pillars and their fillets were of silver.
Read midrashic interpretation of Exodus 38:10: and classical rabbinic exegesis.