Exodus 36:17-19

English Standard Version

¹⁷ And he made fifty loops on the edge of the outermost curtain of the one set, and fifty loops on the edge of the other connecting curtain. ¹⁸ And he made fifty clasps of bronze to couple the tent together that it might be a single whole. ¹⁹ And he made for the tent a covering of tanned rams' skins and goatskins.