Martin Authentic Acoustic Strings - Peghead Nation
Martin Retro Medium Guitar Strings MM13
Martin Guitar - Martin Retro® strings are the real deal. Not an imitation. With Martin Retro® strings, you get one tough set that offers true, consistent tone and sounds like nothing else
MARTIN Retro Medium Light - LJ's Choice - Music Express
MARTIN Retro 12-String Extra Light Struny na dvanásťstrunovú gitaru