Ernie Ball's industry leading ultra-high strength steel is included in both the wound and plain strings along with a patented reinforcement at the ball end twist of each plain string to provide superior tensile and fatigue strength for strings that lock into tune fast and hold up under the most stressful playing styles and conditions.

Continuing their passion for innovation and high-quality products, Ernie Ball Paradigm electric and acoustic guitar strings are the worlds strongest and most advanced string technology ever created featuring the first fully backed guarantee - if Paradigm strings break or rust within 90 days, Ernie Ball will replace them. Paradigm strings feature superior break-resistance and unparalleled durability while delivering the iconic Slinky tone Ernie Ball is known for.