Martin ERA Treated Acoustic Guitar Strings - Light - 12-54

Martin ERA Treated Acoustic Guitar Strings - Light - 12-54

Built to achieve unmatched tone and playability, Martin ERA strings set a new standard for what a phosphor bronze acoustic guitar string can be.  Combining the best technologies from the Martin Strings lineup, Martin ERA strings feature a patented lifespan treatment to protect against corrosion, Flexible Core construction to enhance fretability and comfort, and silk-wrapped ball ends - designed with vintage instruments in mind and as a premium touch that symbolizes Martin's handcrafted string making history.