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Martin Authentic Acoustic Lifespan Treated Phosphor Bronze Medium 13-56

• 
  Martin Korvar Luxe Nickel Cobalt Light …
  $29.59
• 
  Martin Jason Isbell Era Treated Acoustic …
  $25.39
• 
  Martin Era Treated Acoustic Strings …
  $25.39
• 
  Martin Era Treated Acoustic Strings …
  $25.39
• 
  Martin Authentic Acoustic Lifespan …
  $21.19
• 
  Martin Authentic Acoustic Lifespan …
  $21.19
• 
  Martin Retro Medium Acoustic Strings 13-56 MM13
  $14.09
• 
  Martin Authentic Acoustic SP Silk & Steel
  $12.69
• 
  Martin Marquis Authentic Acoustic SP …
  $12.69
• 
  Martin Authentic Flexible Core SP Phosphor …
  $12.69
• 
  Martin Authentic Acoustic SP 80/20 Bronze …
  $11.29
• 
  Martin Authentic Acoustic SP 80/20 Bronze …
  $11.29
• 
  Martin Authentic Acoustic SP 80/20 Bronze …
  $11.29
• 
  Martin Authentic Acoustic SP Phosphor …
  $11.29
• 
  Martin Authentic Acoustic SP Phosphor …
  $11.29
• 
  Martin Authentic Acoustic SP Phosphor …
  $11.29
• 
  Martin Authentic Acoustic SP 80/20 Bronze …
  $11.29
• 
  Martin Authentic Acoustic SP Phosphor …
  $11.29
• 
  Martin Original Bronze Acoustic Light 12-54
  $9.19
• 
  Darco Acoustic Phosphor Bronze Light 12-54
  $7.19

This medium guage set of strings from Martin feature a brand new, proprietary treatment that provides exceptionally long life while maintaining the traditional feel that is so crucial to your performance.  Full tone, long life, unencumbered feel.