STRING SET FOR CLASSIC GUITAR D'Addario EJ34 Folk Nylon string set. Nylon string for guitar, with ball at the end of the string. Normal Tension (E - 0.028, B - 0.32, G - 0.040, D - 0.031, A - 0.037, E - 0.045). The EJ34 Folk Nylon strings have the 80/20 bronze strings and high quality black nylon strings and has the D'Addario ball end that facilitates its installation in both classical and acoustic guitars.