Ernie Ball Slinky Paradigm Electric Guitar Strings offer unmatched strength and durability while preserving the classic Slinky tone and feel. Made from ultra-high strength steel, both the wound and plain strings have patented reinforcement at the ball end for improved durability and quick tuning stability. The combination of Everlast nanotreatment and plasma-enhanced wrap wire adds corrosion resistance and reduces buildup that can affect tone. Enjoy these long-lasting strings that provide all the benefits without compromise.