The brass of which the two pillars, Jachin and Boaz, the brass sea, and the various vessels were made had been taken by David from two cities belonging to Hadadezer, king of Zobah 1 Chronicles 18:8.
Related Commentaries of 1 Kings 7:47
1 Kings 7:47
47 And Solomon left all the vessels unweighed, because they were exceeding many: neither was the weight of the brass found out.