Next generation Martin® Authentic Acoustic® Lifespan® 2.0 strings are engineered using a new, patented anti-corrosion treatment only available from Martin. It protects the core and wrap wire to prevent corrosion without compromising tone or feel.

Our impeccable standards for acoustic guitar tone are embedded in our string design and precision manufacturing process.

Key Features:

• Patented Anti-Corrosion Treatment
• Gauge: Medium
  Tension: 189.6
  E: .013
  B: .017
  G: .026
  D: .035
  A: .045
  E: .056

What's in the box:

• 1x Authentic Acoustic Lifespan 2.0 Guitar Strings 80/20 Bronze Medium