Gauges 11-11, 15-15, 24w-10, 30-14, 42-22w, 52-28. Ernie Ball 2236 electric guitar strings are made from pure nickel wire wrapped around tin-plated, hex-shaped, steel core wire. Produces well-balanced, all-around good sound. All Ernie Ball strings are precision manufactured to the highest standards and most exacting specs to assure consistency, optimum performance, and long life.