Commentary for II Chronicles 4:21

And the flower Our Rabbis explained that this corresponds to the flower that Moses added in the section, “Behaalothecha”: (Num. 8:4) “to its rootstock, to its flower, etc.,” which is not mentioned in “Terumah.”

and the tongs were gold with which they would lift up the wick from the lamp containing oil.

it was fine gold Refined and purified gold, fin in Old French, refined, pure, and in Menahoth (29a) it is explained: out of all the gold that Solomon had, out of the abundance of gold that entered the candelabrum to refine it and purify it and to fulfill the commandment of making a candelabrum of pure gold.