D'Addario EJ15 Guitar Strings

CORROSION-RESISTANT, PRECISION WOUND – D’Addario Phosphor Bronze acoustic guitar strings are precision wound with phosphor bronze wrap wire, over a hexagonal high-carbon steel core. WARM, BALANCED TONE - Phosphor Bronze wrap wire provides tried-and-true D’Addario acoustic tone, with beautiful balance and warmth suitable for all musical genres. MOST POPULAR ACOUSTIC GUITAR STRING -  Now the standard in acoustic guitar strings, Phosphor Bronze strings were originally pioneered by D’Addario in the 1970s.