Exodus 36:18

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

וַיַּ֛עַשׂ קַרְסֵ֥י נְחֹ֖שֶׁת חֲמִשִּׁ֑ים לְחַבֵּ֥ר אֶת־הָאֹ֖הֶל לִהְיֹ֥ת אֶחָֽד׃