Assorted Variety Includes: Martin MA140 Treated 12-54 Light 80/20 Bronze Acoustic Guitar Strings - 41Y18MA140T Martin Authentic Acoustic MA130 11.5-47 Custom Light Silk and Steel Acoustic Guitar Strings - MA130 Martin MA530 Extra Light 010-047 Phosphor Bronze Acoustic Guitar Strings - MA530 Martin MA550S Silked Phosphor Bronze 92/8, Medium 13-56 Acoustic Guitar Strings - MA550S Martin MA540 Light 12-54 Phosphor Bronze Acoustic Guitar Strings - MA540
