וְלִפְאַת־יָ֗ם קְלָעִים֙ חֲמִשִּׁ֣ים בָּֽאַמָּ֔ה עַמּוּדֵיהֶ֥ם עֲשָׂרָ֔ה וְאַדְנֵיהֶ֖ם עֲשָׂרָ֑ה וָוֵ֧י הָעַמֻּדִ֛ים וַחֲשׁוּקֵיהֶ֖ם כָּֽסֶף׃
And for the west side were hangings of fifty cubits, their pillars ten, and their sockets ten; the hooks of the pillars and their fillets of silver.
Read midrashic interpretation of Exodus 38:12: and classical rabbinic exegesis.