D'Addario Guitar Strings - Phosphor Bronze Acoustic Guitar Strings - EJ16 - Rich, Full Tonal Spectrum - for 6 String Guitars - 12-53 Light. Item model number EJ16. 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.
