{"product_id":"martin-era™-treated-acoustic-guitar-strings-mp535t-phosphor-bronze","title":"Martin Era Treated Acoustic Guitar Strings MP535T - .011-.052 Custom Light","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":"nafiriguitar.com","offers":[{"title":"Default Title","offer_id":48805125652699,"sku":null,"price":310000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0684\/6929\/3275\/files\/ezgif.com-webp-to-jpg-converter-2026-05-25T114128.590.jpg?v=1779684098","url":"https:\/\/nafiriguitar.com\/fil\/products\/martin-era%e2%84%a2-treated-acoustic-guitar-strings-mp535t-phosphor-bronze","provider":"nafiriguitar.com","version":"1.0","type":"link"}