Shemot 36:18-20

Orthodox Jewish Bible

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.

²⁰ And he made kerashim (planks) for the Mishkan of acacia wood, standing erect.