Exodus 25:14 KJV

And thou shalt put the staves into the rings by the sides of the ark, that the ark may be borne with them.
Exodus 25:14, King James Version

In context

13 And thou shalt make staves of shittim wood, and overlay them with gold.

14 And thou shalt put the staves into the rings by the sides of the ark, that the ark may be borne with them.

15 The staves shall be in the rings of the ark: they shall not be taken from it.