Exodus 38:5 in the World English Bible
He cast four rings for the four corners of bronze grating, to be places for the poles.
Context
4 And he made for the altar a brasen grate of network under the compass thereof beneath unto the midst of it.
5 And he cast four rings for the four ends of the grate of brass, to be places for the staves.
6 And he made the staves of shittim wood, and overlaid them with brass.