Ernie Ball Paradigm Light Phosphor Bronze electric and acoustic guitar strings feature the world's most advanced string technology. Paradigm strings demonstrate superior break-resistance and unparalleled durability while delivering the iconic Slinky tone Ernie Ball is known for. Select gauges of Paradigm acoustic and electric sets are now available to order in a buy-two-get-one-free bonus pack, giving players the chance to experience even more for a great price. Features: Up to 37 percent more tensile strength than traditional string sets Improved fatigue strength Plasma enhanced wrap wire Ever last nano-treatment Superior break-resistance and unparalleled durability