Éxodo 38

Casting four rings at the four ends of the net at the top, to put in bars to carry it:

Hizo también cuatro anillos de fundición á los cuatro cabos del enrejado de metal, para meter las varas.

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 corners of bronze grating, to be places for the poles.