Martin MM-12 Retro Monel 12-54

Martin® Retro® acoustic guitar strings are crafted from a long-lasting proprietary nickel-based alloy blend that mellows quickly to a warm vintage tone that brings out the unique, woody sounds in your guitar.

• Set: MM12
• Gauge: Custom Light 12-15-25-31-41-54
• Tension: 172.8
• Package: 6 strings