Exodus 38:5

And he cast four rings for the four ends of the grate of brass, to be places for the staves.

He cast four rings for the four ends of brass grating, to be places for the poles.

And he cast four rings for the four ends of the grating of brass, to be places for the staves.

and he casteth four rings for the four ends of the brazen grate -- places for bars;

At the four corners of the bronze grate he cast four rings as holders for the poles.