Martin Guitars Authentic Acoustic SP 92/8 Phosphor Bronze Strings Promo Pack - 13-56 Medium
Authentic Acoustic Superior Performance Strings
Martin Authentic Acoustic Superior Performance SP strings feature higher tensile strength and tin-plated core wire on all six strings that enable a fuller and more balanced tone, quicker response and increased tuning stability.
This Promo Pack includes 3 sets of 13-56 Medium strings.
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