D'Addario EJ83L Gypsy Jazz Acoustic Guitar Strings, Ball End, Light 10-44 EJ83L ball end gypsy jazz acoustic guitar strings are designed and gauged for rhythm and strumming patterns associated with "Django", jazz-style guitar. String Gauges: Plain Steel .010, .014, Silver-plated Copper Wound: .023, .026, .034, .044 Silver-plated Copper is wound on a high carbon steel core, delivering a warm, projecting tone optimal for any Gypsy Jazz style guitar.