Newly developed CANTIGA PREMIUM material for the bass strings;These are combined in 3 different series with the treble strings of the NEW CRISTAL, the CREATION CANTIGA or the ALLIANCE CARBON and are available in 3 gauges each;NEW CRISTAL CANTIGA PREMIUM: NEW CRISTAL trebles (first-class, clear nylon strings for unique brilliance and sound projection) in combination with CANTIGA PREMIUM bass strings;510CJP New Cristal Cantiga Premium high tension;e1: 0.75 mm/.030”, 7.8 kg/17.22 lbs;h/b2: 0.85 mm/.034”, 5.8 kg/12.80 lbs;g3: 1.05 mm/.041”, 5.7 kg/12.58 lbs;d4: 0.76 mm/.030”, 7.6 kg/16.78 lbs;A5: 0.90 mm/.036”, 7.1 kg/15.67 lbs;E6: 1.12 mm/.044”, 7.0 kg/15.45 lbs;Set tension: 41.0 kg/90.5 lbs;