Made from 92% copper, 7.7% tin, 0.3% phosphorus wire wrapped around tin plated hex shaped steel core wire has a light, gold color and provides a mellow, ringing sound, with excellent clarity. All Ernie Ball strings are precision manufactured to the highest standards and most exacting specs to assure consistency, optimum performance, and long life.
Gauge: 11-15-22-30-42-52