Ernie Ball Everlast Medium Light Coated Phosphor Bronze Acoustic Guitar Strings 12 54 Gauge

500 times thinner than any other string coating. Everlast treatment is applied to both the inner hex core and outer wrap wire to provide ultimate protection without compromising tone or feel. Rich, warm tone played by acoustic exceptionals around the world. Element Shield packaging keeps strings fresh. Made in California, USA with the freshest and finest materials.