{"product_id":"martin-mji12t-martin-era™-jason-isbell-signature-treated-phosphor-bronze-artist-light-acoustic-guitar-strings-12-54","title":"Martin MJI12T Martin Era™ Jason Isbell Signature Treated Phosphor Bronze Artist Light Acoustic Guitar Strings (12-54)","description":"\u003cp\u003eBuilt 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. The Artist Light version was developed in collaboration with six-time GRAMMY® winner Jason Isbell and features a more traditional SP® core to match his signature guitar sound.\u003c\/p\u003e","brand":"C.F. Martin \u0026 Co.","offers":[{"title":"Default Title","offer_id":50936023515421,"sku":"033188","price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0283\/5228\/2702\/files\/MJI12TFRONT.jpg?v=1770845266","url":"https:\/\/rockcitymusicco.com\/products\/martin-mji12t-martin-era%e2%84%a2-jason-isbell-signature-treated-phosphor-bronze-artist-light-acoustic-guitar-strings-12-54","provider":"Rock City Music Co.","version":"1.0","type":"link"}