כָּל־עַמּוּדֵ֨י הֶֽחָצֵ֤ר סָבִיב֙ מְחֻשָּׁקִ֣ים כֶּ֔סֶף וָוֵיהֶ֖ם כָּ֑סֶף וְאַדְנֵיהֶ֖ם נְחֹֽשֶׁת׃
All the pillars of the court round about shall be filleted with silver; their hooks of silver, and their sockets of brass.
Read kabbalistic (mystical) interpretation of Exodus 27:17: and classical mystical sources.