Martin 3 Set Pack Authentic Acoustic SP 12-54 Phos Bronze Acoustic Guitar String Flatwound Locking Pin Assembly:

Locking Pin Assembly:

Our formula creates strings that are exceptionally long-lived

String Gauges:

Code: MA550FX

To Unlock:

Martin 3 Set Pack Authentic Acoustic SP 12-54 Phos Bronze Acoustic Guitar String Flatwound Locking Pin Assembly:Martin 6 String 3 Set Pack Authentic Acoustic SP Acoustic Guitar Strings Gauge: 12 54 (medium) Finish: Phosphor Bronze Guitar: Acoustic 6 String Gauges: . 012 . 016 . 025 . 032 . 042 . 054 Code: MA540PK3 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