Roosebeck Mountain Dulcimer 5-Str, Ball Roosebeck Dulcimer 5 String Set; 4 plain steel strings; 1 nickel plated steel wound on steel string; Ball ends; Tuning and String Gauges:; 1: D .012 .300 - Steel; 2: D .012 .300 - Steel; 3: A .014 .360 - Steel; 4: A .014 .360 - Steel; 5: D .022w .560 - Nickel