בְּכִכַּ֤ר הַיַּרְדֵּן֙ יְצָקָ֣ם הַמֶּ֔לֶךְ בְּמַעֲבֵ֖ה הָאֲדָמָ֑ה בֵּ֥ין סֻכּ֖וֹת וּבֵ֥ין צָרְתָֽן׃
In the plain of the Jordan did the king cast them, in the clay ground between Succoth and Zarethan.
Rashi on I Kings
[The king] cast them. He melted them and poured them according to their form.
Rashi on I Kings
In the thick clay. [Targum Yonoson rendered,] “in the thickness of the clay.”63The clay of the Jordan Plain was of very good quality.—Radak.