Martin Authentic Acoustic SP 12-54 Light 80/20 Bronze Acoustic Guitar Strings Elastic Blue Steel acoustic strings are

Blue Steel acoustic strings are cryogenically frozen with a blast of liquid nitrogen which gives them these special

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Thomastik-Infeld Plectrum Acoustic Guitar Strings

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Martin Authentic Acoustic SP 12-54 Light 80/20 Bronze Acoustic Guitar Strings Elastic Blue Steel acoustic strings areMartin 6 String Authentic Acoustic SP Acoustic Guitar Strings Gauge: 12 54 (light) Finish: 80 20 Bronze Guitar: Acoustic 6 String Gauges: . 012 . 016 . 025 . 032 . 042 . 054 Code: MA140 These strings are engineered with the performer in mind and they will always stand up to rigorous practice and performance schedules. We start with our highest tensile strength core wire, then tin plate it on all six strings for added corrosion resistance; because what