MARTIN AND CO ( EST. 1833 ) LIFESPAN SP 

ACOUSTIC GUITAR STRINGS 

All six strings are treated with lifespan proprietary technology to bring you the longest possible string life without sacificing tone or natural feel 

Developed by John D'addario Sr over 80 years ago, these strings are know for their BOLD, EXTRA BRIGHT TONE. The deep bottom end and crisp highs make them a favourite for recording artists and the preferred choice of vintage enthusiasts. our diamond drawn 80 - 20 bronze alloy offers stellar balance of volume, projection and playing comfort