Exodus 37:27
He made two gold rings below the molding on opposite sides to hold the poles used to carry it.
Berean Standard Bible
And he made two rings of gold for it under the crown thereof, by the two corners of it, upon the two sides thereof, to be places for the staves to bear it withal.
He made two golden rings for it under its molding crown, on its two ribs, on its two sides, for places for poles with which to carry it.