John Gill Commentary Exodus 38:30

"And therewith he made the sockets to the door of the tent of meeting, and the brazen altar, and the brazen grating for it, and all the vessels of the altar," — Exodus 38:30 (ASV)

And therewith he made the sockets to the door of the
tabernacle of the congregation
Which were five; see (Exodus 26:37)

and the brazen altar, and the brazen grate for it, and all the
vessels of the altar ;
which were all made of brass; see (Exodus 27:2–4) .