Martin Era MP550T Treated Acoustic Guitar Strings Medium 13-56 bb434 Introducing Hammer 88

Introducing Hammer 88

64 W Transformer (TF-WS64-70)

NUT MATERIAL Bone

Deviation: +/- 38kHz

Martin Era MP550T Treated Acoustic Guitar Strings Medium 13-56 bb434 Introducing Hammer 88Built 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