Shemot 26:16-18

Orthodox Jewish Bible

¹⁶ Ten cubits shall be the length of each keresh (plank), and a cubit and a half shall be the width of each keresh (plank).

¹⁷ Two yadot (tenons, projections) shall there be in each keresh (plank), set in order one against another: thus shalt thou make for all the kerashim (planks) of the Mishkan.

¹⁸ And thou shalt make the kerashim (planks) for the Mishkan, twenty kerashim (planks) on the south side southward.