Martin acoustic guitar strings are some of the most widel- used in the world! Offering great tone and reliability at a great price, Martin Strings are high quality strings for daily use. Core and wrap wires must meet strict requirements in order to make the grade. Martin Strings are wound to precise specifications!

---

Martin M140 - Gauges  : .012  .016  .025  .032  .042  .054

---

Martin M150 - Gauges  : .013  .017  .026  .035  .045  .056

---

Martin M170 - Gauges  : .010  .014  .023  .030  .039  .047