מלכים א ז:ל פירוש: רש״י

Four [copper] wheels. Two in the front and two in the back in the manner of large wagons.

And copper bars. [Targum] Yonoson rendered ונסרין דנחש, “boards of copper,” they are the upper boards against the frames.

Bars. [סרני means] the same as נסרים [=boards].