MA170 Martin Authentic Acoustic 80/20 Bronze Light strings are engineered with the performer in mind and they will are made to stand up to rigorous practice and performance schedules. Martin starts with their highest tensile-strength core wire, then tin-plate it on all six strings for added corrosion resistance; because what you don�t see matters. When coupled with Martin's highest quality wrap wire you get consistent true tone that you can count on song after song.

Gauges 10-47.
 
 
 
UPC: 729789557771