Exodus 27:7
"And the staves shall be put into the rings, and the staves shall be upon the two sides of the altar, to bear it."
Cross References (ranked by relevance)
Exodus 30:4
And two golden rings shalt thou make to it under the crown of it, by the two corners thereof, upon the two sides of it shalt thou make it; and they shall be for places for the staves to bear it withal.
Exodus 25:28
And thou shalt make the staves of shittim wood, and overlay them with gold, that the table may be borne with them.