Exodus 27:4

Also make a grate for it, a network of bronze; and on the grid you are to make four bronze rings at its four corners.

Exodus 25:12

You shall cast four gold rings for it and attach them to the four feet, two rings on either side.

Exodus 35:16

the altar of burnt offering with its bronze grating, its carrying poles, and all its utensils, the wash basin and its base (stand);

Exodus 38:4-5

He made for the altar a grating of bronze mesh under its rim, extending halfway up it.

Treasury of Scripture Knowledge

Summary

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.

A grate of network

Rings in the four corners thereof

Bible References

A grate of network

Exodus 35:16
the altar of burnt offering with its bronze grating, its carrying poles, and all its utensils, the wash basin and its base (stand);
Exodus 38:4
He made for the altar a grating of bronze mesh under its rim, extending halfway up it.

Rings in the four corners thereof

Exodus 25:12
You shall cast four gold rings for it and attach them to the four feet, two rings on either side.