Ernie Ball 2554 Everlast Coated 80/20 Bronze Acoustic, Medium, 13-56

Everlast Coated Acoustic Strings use groundbreaking nanotechnology that repels unwanted moisture and oils that negatively impact your tone. 1,000 times thinner than any other string coating on the market, the treatment is applied to both the inner hex core and outer wrap wire to provide ultimate protection