Shemot 36:17-19

Orthodox Jewish Bible

¹⁷ And he made fifty loops upon the uttermost edge of the curtain at the end of the set, and fifty loops made he upon the edge of the curtain of the other set.

¹⁸ And he made fifty hooks of nechoshet to attach the Ohel together, that it might be echad (one).

¹⁹ And he made a Mikhseh (Cover) for the Ohel of dyed red ram skin, and a tachash hide Mikhseh above that.