Current 13+ Martin Retro Acoustic Guitar Strings Custom Light
Current 13+ Martin Retro Acoustic Guitar Strings Custom Light. Item # j08288 | model # 41mm12 the martin mm12 retro series light acoustic guitar strings feature a nickel based alloy blend with a raw, more earthbound. Martin's proprietary nickel/copper alloy blend wrap wire provides for a reduced pick attack and allows the guitar's tonewoods to be heard, not overshadowed. Martin's solid nickel/copper alloy blend provides a reduced pick attack that allows the guitar's tonewoods to be heard, not overshadowed.