Martin Era™ Treated Medium 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.

• The description claims the strings achieve unmatched tone and playability.
• The description claims the strings feature a patented Lifespan treatment to protect against corrosion.
• The description claims the strings have Flexible Core construction to enhance fretability and comfort.
• The description claims the strings are designed with vintage instruments in mind.