וְעָשִׂ֛יתָ קַרְסֵ֥י נְחֹ֖שֶׁת חֲמִשִּׁ֑ים וְהֵבֵאתָ֤ אֶת־הַקְּרָסִים֙ בַּלֻּ֣לָאֹ֔ת וְחִבַּרְתָּ֥ אֶת־הָאֹ֖הֶל וְהָיָ֥ה אֶחָֽד׃
And thou shalt make fifty clasps of brass, and put the clasps into the loops, and couple the tent together, that it may be one.
Read kabbalistic (mystical) interpretation of Exodus 26:11: and classical mystical sources.