What did Isaiah predict would be made of swords and spears?

Isaiah predicted that sWords and spears would be transformed into plowshares and pruning hooks, symbolizing a future of peace and the cessation of warfare. This imagery, found in Isaiah 2:4, conveys the hope that nations would no longer engage in conflict but instead focus on agricultural and constructive endeavors. It reflects a vision of harmony and the transformative power of divine intervention in human affairs.