D'Addario XTAPB1670 Baritone Set XT Coated Phosphor Bronze 16-70

D'Addario Acoustic Phosphor Bronze, Medium, Baritone, 16-70

While optimally designed for today's modern, shorter scale baritone guitars, XTAPB1670 are also an excellent solution for deep, down-tuning on most standard acoustic guitars.
D‚ÄôAddario XT strings feature 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 ‚Äì all while preserving the tone and feel of your favorite uncoated strings. 
D'Addario Part # XTAPB1670