Exodus 37:5

³  And he cast for it four rings of gold, to be set by the four corners of it; even two rings upon the one side of it, and two rings upon the other side of it.

⁴  And he made staves of shittim wood, and overlaid them with gold.

⁵  And he put the staves into the rings by the sides of the ark, to bear the ark.

⁶  And he made the mercy seat of pure gold: two cubits and a half was the length thereof, and one cubit and a half the breadth thereof.

⁷  And he made two cherubim of gold, beaten out of one piece made he them, on the two ends of the mercy seat;