Martin Era™ Treated Custom Light Acoustic Guitar Strings

This is a set of new, treated phosphor bronze strings for a six-string acoustic guitar, part of Martin's Era series designed for improved tone and playability.

• The description claims the strings achieve unmatched tone and playability.
• The description claims the strings are built with technologies from Martin's Strings lineup.
• The description claims the strings feature a patented Lifespan treatment, Flexible Core construction, and silk-wrapped ball ends.