Shemot 36:19-21

Orthodox Jewish Bible

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.

²¹ The length of a keresh (plank) was ten cubits, and the width of a keresh one cubit and a half.