Combination of Alliance carbon treble strings with Corum basses;500ARJ mixed tension set, gray-red-blue pack;Treble: ALLIANCE Carbon standard, bass: CORUM silver-plated, high tension;e1: 0.62 mm/.025", 7.9 kg/17.44 lbs;h/b2: 0.69 mm/.027", 5.9 kg/13.02 lbs;g3: 0.84 mm/.033", 5.8 kg/12.80 lbs;d4: 0.75 mm/.029", 7.5 kg/16.57 lbs;A5: 0.86 mm/.034", 6.5 kg/14.37 lbs;E6: 1.11 mm/.044", 6.9 kg/15.18 lbs;Set tension: 40.5 kg/89.38 lbs;