וְעַמֻּדֵ֧י הֶחָצֵ֛ר סָבִ֖יב וְאַדְנֵיהֶ֑ם וִיתֵדֹתָ֖ם וּמֵֽיתְרֵיהֶֽם׃
and the pillars of the court round about, and their sockets, and their pins, and their cords.
Read kabbalistic (mystical) interpretation of Numbers 3:37: and classical mystical sources.