Martin MA150T Authentic Acoustic Lifespan® 2.0 Guitar Strings 80/20 Bronze, Medium Lee Oskar Their special recipe uses only

Their special recipe uses only premium

or 36 channels

Acoustic Principle Pressure gradient

including Metal

Martin MA150T Authentic Acoustic Lifespan® 2.0 Guitar Strings 80/20 Bronze, Medium Lee Oskar Their special recipe uses onlyMartins next generation Lifespan 2. 0 strings are engineered using a new, patented technology only available from Martin. This technology was developed to protect the core wire and the wrap wire to prevent corrosion without compromising tone the single most important attribute of the guitar strings. Authentic Acoustic Lifespan 2. 0 strings look better, sound better, and feel better, providing a smooth playing experience that reduces finger drag.