Cross reference
Exodus 27:4
4 `And thou hast made for it a grate of net-work of brass, and hast made on the net four rings of brass on its four extremities,
Exodus 25:12
12 `And thou hast cast for it four rings of gold, and hast put `them' on its four feet, even two rings on its one side, and two rings on its second side;
Exodus 35:16
16 `The altar of burnt-offering and the brazen grate which it hath, its staves, and all its vessels, the laver and its base,
Exodus 38:4-5
4 And he maketh for the altar a brazen grate of net-work, under its border beneath, unto its midst;
5 and he casteth four rings for the four ends of the brazen grate -- places for bars;