Exodus 26:28

The middle bar shall pass through the midst of the boards from end to end.

Surrounding context

26:27 five bars for the boards on the other side of the tabernacle, and five bars for the boards of the side of the tabernacle, for the far side westward.

26:28 The middle bar shall pass through the midst of the boards from end to end.

26:29 You shall overlay the boards with gold, make their rings of gold as holders for the bars, and overlay the bars with gold.

Translation and sources