D'Addario EJ17 Phosphor Bronze Acoustic Guitar Strings Medium .013 - .056

D'Addario Phosphor Bronze Acoustic Guitar Strings Medium .013 - .056 D'Addario Phopshor Bronze Acoustic Guitar strings are acclaimed worldwide for their great, long-lasting tone. Phosphor Bronze was introduced to string making by D'Addario in 1974 and has become synonymous with warm acoustic tone.