D'Addario EXP26 Acoustic Guitar Strings - 2 Packs Custom Light String Gauges: Plain Steel .011, .015, Phosphor Bronze Wound .022, .032, .042, .052 Made in the U.S.A. for the highest quality and performance Environmentally friendly, corrosion resistant packaging for strings that are always fresh EXP Coated phosphor bronze for warm, bright, well balanced acoustic tone and 4 times more life A D'Addario hybrid gauge, combining light gauge bottom strings with lighter top strings for easy bending