D'Addario XTAPB1356 Phosphor Bronze Coated Acoustic Guitar Strings, Medium (3-Pack)

\D'Addario XT strings combine high carbon steel cores with an extended lifespan treatment on every string in the set, giving you enhanced break resistance, pitch stability, and long-lasting performance - all while preserving the tone and feel of your favorite uncoated strings. Phosphor bronze, medium gauge, 013, 017, 026w, 035w, 045w, 056w.