This set has "Sonata Light" basses and "Futura" trebles.
It has been created due to the big demand for "Sonata" bases, recognized by their quality and sound. Now they have been combined with "Futura" trebles.
Gauges:
1ª E 0,73 mm / .029''
2ª B 0,83 mm / .033''
3ª G 1,04 mm / .041''
4ª D 0,72 mm / .028"
5ª A 0,85 mm / .033"
6ª E 1,06 mm / .042"