All the Israelites had to go to the Philistines to sharpen their iron plowshares, pickaxes, axes, and sickles.
Josiah repeated this in the towns of Manasseh, Ephraim, and Simeon, all the way to Naphtali, and in their surrounding areas.
An iron blade is sharpened with an iron tool, and one person's mind is sharpened by another's.
when I sharpen my shining sword and pick it up to execute judgment, I will repay my enemies and punish those who hate me as they deserve.
There wasn't a blacksmith to be found anywhere in Israel, because the Philistines had said, “So that the Hebrews don't make swords and spears.”
The fee was two-thirds of a shekel for plowshares and pickaxes, and a third of a shekel for sharpening the axes and cattle prods.