The Martin MA535 Traditional Phosphor Bronze Acoustic Guitar Strings aren’t fancy, but they offer a clean tone and longevity. They’re part of Martin’s Traditional line, which is its flagship guitar string. Their core is tin-plated steel wire, and the wrap wire is Phosphor Bronze.

E/1st .011 Plain steel

B/2nd .015 Plain steel

G/3rd .023w Phosphor bronze

D/4th .032 Phosphor bronze

A/5th .042 Phosphor bronze

E/6th .052 Phosphor bronze