מלכים א י:טז פירוש: רש״י

Full shields. [A body shield that] encircles the person on three sides. This is the meaning of the verse in the Book of Tehillim, “as a body shield, with good, will You shall surround him.”⁷Tehillim 5:13.

Six hundred. Six manim, for [a piece of] gold is a dinar.