Exodus 36:33

36:33 He made the middle bar to reach from end to end in the center of the frames.

Exodus 25:19

25:19 Make one cherub on one end and one cherub on the other end; from the atonement lid you are to make the cherubim on the two ends.

Exodus 37:8

37:8 one cherub on one end and one cherub on the other end. He made the cherubim from the atonement lid on its two ends.