This set of D'Addario EJ82C are nickel plated steel wound strings for Cebolao Mi and Boiadeira. This 10 string set is gauged .010(2), .013(2), .008/.018, .010/.022, .013/.030. The scale length is 22.83 inches. Tuning is for E-B-G#-E-B. Used by many professionals and amateur players, D'Addario strings are acclaimed worldwide for their great, long-lasting string tone.