Exodus 36:18 Midrash

וַיַּ֛עַשׂ קַרְסֵ֥י נְחֹ֖שֶׁת חֲמִשִּׁ֑ים לְחַבֵּ֥ר אֶת־הָאֹ֖הֶל לִֽהְיֹ֥ת אֶחָֽד׃

And he made fifty clasps of brass to couple the tent together, that it might be one.

Read midrashic interpretation of Exodus 36:18: and classical rabbinic exegesis.