D'Addario XSABR1047-3P 3-Pack XS 80/20 Bronze Acoustic Guitar Strings Extra Light 10-4780 20 Bronze are our brightest acoustic guitar strings, made to give your tone an unparalleled shine. With the addition of our revolutionary XS coating, our bold, bright 80 20 strings obtain maximum life, with an uncommonly smooth feel. Made with a NY Steel core, 80 20 Bronze wrap wire, and Fusion Twist technology, these coated acoustic guitar strings have enhanced break strength and tuning stability over standard 80 20s, in addition to a dramatically