Combination of ALLIANCE carbon treble with CORUM bass;500AR Alliance Corum, normal standard tension, red;Treble: Carbon, bass: Corum, silver-plated wound;e1: 0.62 mm/.024", 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: 0.70 mm/.027", 6.4 kg/14.02 lbs;A5: 0.86 mm/.034", 6.4 kg/14.13 lbs;E6: 1.09 mm/.043", 6.5 kg/14.37 lbs;Tension set: 38.9 kg/85.78 lbs;