4 pack earthwood rock and blues w/plain g phosphor bronze acoustic guitar strings made from 92% copper, 7.7% tin, 0.3% phosphorus wire wrapped around tin plated hex shaped steel core wire. these guitar strings have a light orange, gold color and provide a mellow, ringing sound, with excellent clarity. gauges .010, .013, .017, .030, .042, .052 includes (4) packs of strings
