Combined set of CRISTAL nylon strings for treble, Traditional bass strings (for 570CR) or SOLISTE bass strings (for 570CS). For power and bright tone.;570 CR Cristal Rouge, normal tension. Red packaging.;Cristal nylon treble strings. Bass strings Traditional silver-plated wound.;e1: 0.71 mm/.028", 7.0 kg/15.45 lbs;h/b2: 0.81 mm/.032", 5.4 kg/11.92 lbs;g3: 1.02 mm/.040", 5.4 kg/11.92 lbs;d4: 0.75 mm/.030", 6.9 kg/15.23 lbs;A5: 0.86 mm/.034", 6.3 kg/13.91 lbs;E6: 1.07 mm/.042", 6.3 kg/13.91 lbs;Set tension: 37 g/82.34 lbs;