Exodus 27:5 KJV

And thou shalt put it under the compass of the altar beneath, that the net may be even to the midst of the altar.
Exodus 27:5, King James Version

In context

4 And thou shalt make for it a grate of network of brass; and upon the net shalt thou make four brasen rings in the four corners thereof.

5 And thou shalt put it under the compass of the altar beneath, that the net may be even to the midst of the altar.

6 And thou shalt make staves for the altar, staves of shittim wood, and overlay them with brass.