D'Addario Single Gypsy Jazz Slvr Wnd 026 J83L04 Gypsy Jazz Silver Wound Single Acoustic Guitar String D'Addario J83L04 Gypsy Jazz strings are specially designed for Django style acoustic guitar playing Silverplated Copper is wound on a high-carbon steel core , delivering a warm, projecting tone optimal for any Gypsy Jazz style guitar D'Addario J83L04 Gypsy Jazz strings are specially designed for Django style acoustic guitar playing Silverplated Copper is wound on a high-carbon steel core , delivering a warm, projecting tone optimal for any Gypsy Jazz style guitar