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.
| Note | Gauge (in.) | Material |
| 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 |
