Roosebeck 7-Course Lute String Set Rectified nylon strings; Silverplated copper wound nylon bass strings; For the traditional Renaissance tuning for this set or the Descant Lute; Tuning and String Gauges:; - - 1: G .018 .460 - Nylon; 2: D .022 .560 - Nylon; 3: D .022 .560 - Nylon; 4: A .027 .690 - Nylon; 5: A .027 .690 - Nylon; 6: F .032 .810 - Nylon; 7: F .032 .810 - Nylon; 8: C .025w .640 - Silver; 9: C .028 .710 - Nylon; 10: G .030w .760 - Silver; 11: G .028 .710 - Nylon; 12: F .035w .890 - Silver; 13: F .033 .840 - Nylon