• Enjoy a uniquely mellow yet crisp sound with Martin's proprietary Nickel/Copper alloy blend wrap wire. This reduces pick attack and lets your guitar's tonewoods shine!
• Benefit from a solid Nickel/Copper blend wrap, not nickel - plated. No risk of corrosion due to defects!
• Rely on Martin's naturally strong and corrosion - resistant proprietary wrap, used in dreadnought battleship propellers and machinery.

These Martin acoustic guitar strings are perfect for both beginner and professional guitarists who love to play in various settings, like on stage or at home. They work great for all types of acoustic music. The strings have a size range from 11 - 52, which provides a good balance of tension and tone for your guitar.