Martin & Co. MA175PK3 Acoustic Guitar Strings Pack of 3

These strings are engineered with the performer in mind and they will always stand up to rigorous practice and performance schedules. The tensile-strength core wire, and the tin-plate on all six strings for added corrosion resistance. When coupled with the highest quality wrap wire you get consistent true tone that you can count on song after song. Available in 80/20 Bronze. Martin Authentic Acoustic SP strings offer excellent tuning stability, corrosion resistance and great playability.