New 41+ Martin Coated Acoustic Guitar Strings
New 41+ Martin Coated Acoustic Guitar Strings. All six strings are coated with cleartone's proprietary technology to give the longest lifespan possible without losing any tone quality or usual string experience. Martin guitar has created the finest guitars & strings in the world for over 180 years. John mayer signature martin omjm acoustic guitar 2006 contest 8 x 11 ad print. Martin guitar ma540 authentic acoustic light guitar strings, 92/8 phosphor bronze.