Martin MA540TPK3 Authentic Acoustic Lifespan 2.0 Phosphor Bronze Acoustic Guitar Strings, Light, 12-54, 3-Pack

Next generation Martin® Authentic Acoustic® Lifespan® 2.0 strings are engineered using a patented anti-corrosion treatment only available from Martin. It protects the core and wrap wire to prevent corrosion without compromising tone or feel. Martin's impeccable standards for acoustic guitar tone are embedded in their string design and precision manufacturing process. That's why they make our own.This product comes as a pack of 3.

Features:

• Engineered using a new, patented technology only available from Martin
• Next generation treatment for long life, Great playability and feel, and superior reliability with authentic tone
• Gauges: .012, .016, .025, .032, .042, .054