Martin Retro acoustic guitar strings are crafted from a long-lasting proprietary nickel-based alloy blend that mellows quickly to a warm vintage tone that brings out the unique, woody sounds in your guitar.
| Strings : series | Martin Retro |
| Strings : gauge | 10-47 |
| Strings : number | 12 strings |
| Strings : composition | 023 wound, 009, 010, 014, 012, 018, 027 wound, 030 wound, 039 wound, 047 wound |
| Strings : wound type | Round wound |
| Strings Material | Monel |
| Instrument | Acoustique guitar |
| Strings : Contents | 1 set |
Gauge : 10/10-14/14-23/09-30/12-39/18-47/27