Martin Era MP550T Treated Acoustic Guitar Strings Medium 13-56 bb434 Deviation: +/- 38kHz

Deviation: +/- 38kHz

The thinner necks

• BAG: PBHPB-50 Included

Introducing Hammer 88

NUT MATERIAL Bone

Martin Era MP550T Treated Acoustic Guitar Strings Medium 13-56 bb434 Deviation: +/- 38kHzBuilt 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 endsdesigned with vintage instruments in mind and as a premium touch that