Exodus 38:5 in the King James Version
And he cast four rings for the four ends of the grate of brass, to be places for the staves.
Context
4 He made for the altar a grating of a network of bronze, under the ledge around it beneath, reaching halfway up.
5 He cast four rings for the four corners of bronze grating, to be places for the poles.
6 He made the poles of acacia wood, and overlaid them with bronze.