Exodus 26:17

Two tenons shall there be in one board, set in order one against another: thus shalt thou make for all the boards of the tabernacle.

There shall be two tenons in each board, joined to one another: thus shall you make for all the boards of the tent.

Two tenons shall there be in each board, joined one to another: thus shalt thou make for all the boards of the tabernacle.

two handles `are' to the one board, joined one unto another; so thou dost make for all the boards of the tabernacle;

Two tenons must be connected to each other for each frame. Make all the frames of the tabernacle in this way.