60 mute olympia hq 80/20 bronze strings deliver a strong, deep bass response with extremely bright and crisp overtones. these strings are made from 80/20 bronze. bronze 80/20 is an alloy of 80% copper and 20% zinc, they’re certain to bring that extremely brilliant sounding with great sustain . these sets really come alive at the deep end with a solid. note e b g d a e inch .012 .016 .024 .032 .042 .053 mm 0.30 0.41 0.61 0.81 1.07 1.35