Martin - Acoustic Guitar Strings - Phosphor Bronze - MA550 - Medium Chin Rest Our patented coating technology protects

Our patented coating technology protects against common corrosion

Exciting music arranged in pop

Also available for full range of clarinets and saxophones

Rich collections of popular folk and country songs

Four-string set

Martin - Acoustic Guitar Strings - Phosphor Bronze - MA550 - Medium Chin Rest Our patented coating technology protectsMartin Authentic Acoustic SP strings offer excellent tuning stability, corrosion resistance and great playability. They are engineered with the performer in mind and they will always stand up to rigorous practice and performance schedules. Martin starts with the highest tensile strength core wire, then tin plates that core on all six strings for added corrosion resistance; because what you dont see matters! Coupled with their highest quality wrap