EJ83M ball end gypsy jazz acoustic guitar strings are designed and gauged for rhythm and strumming patterns associated with "Django", jazz-style guitar. D'Addario Gypsy Jazz strings are specially designed for the "Django" style. Silver-plated Copper is wound on a high carbon steel core, delivering a warm, projecting tone optimal for any Gypsy Jazz style guitar. • MFSKU EJ83M • UPC 019954953270