Martin Era MJI12T Treated Acoustic Guitar Strings Artist Light 12-54 super-distortion 4 V rechargeable battery

4 V rechargeable battery

Allows Coil Tapping

Construction: Steel frame

Capacity: 79

• Watertight & Dust-proof

Martin Era MJI12T Treated Acoustic Guitar Strings Artist Light 12-54 super-distortion 4 V rechargeable batteryBuilt 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