Exodus 36:17-19

King James Version

¹⁷ And he made fifty loops upon the uttermost edge of the curtain in the coupling, and fifty loops made he upon the edge of the curtain which coupleth the second.

¹⁸ And he made fifty taches of brass to couple the tent together, that it might be one.

¹⁹ And he made a covering for the tent of rams' skins dyed red, and a covering of badgers' skins above that.