Exodus 26:16-18

American Standard Version

¹⁶ Ten cubits shall be the length of a board, and a cubit and a half the breadth of each board. ¹⁷ Two tenons shall there be in each board, ^[a]joined one to another: thus shalt thou make for all the boards of the tabernacle. ¹⁸ And thou shalt make the boards for the tabernacle, twenty boards for the south side southward.