Find Reviews and Compare Prices for:       All ProductsAcoustic Guitar Strings     0.0 (0)   Add a review Martin FX650 80/20 Bronze Acoustic Medium Guitar Strings   Martin FX 80/20 Bronze acoustic guitar strings utilize an advanced thin wire core wire to increase flexibility and improve sustain without sacrificing tone, durability or playability.Martin Guitar Strings FAQQ:Is it safe to use medium-gauge strings ... Have a question? Just Ask! Member Reviews Compare Prices Product Spec Send to a friend Category 6 String Sets .013 Gauge 6 String Sets6 String Sets .010 Gauge6 String Sets .011 Gauge6 String Sets .012 Gauge6 String Sets .013 Gauge6 String Sets .014+ Gauge12 String SetsNylon StringsSingles--------Suggest a new option Brand Martin Black DiamondCleartoneD'AddarioDean MarkleyDR StringsDunlopElixirErnie BallEverlyFenderGHSGibsonJohn PearseKerlyMartinRed StringsRogueRotosoundSavarezSevilla Classical Guitar StrinSITSquier by FenderThomastik--------Suggest a new option Something wrong in this page? Let us know! Related products: More 6 String Sets .013 Gauge Acoustic Guitar Strings Other Acoustic Guitar Strings internal use: spec116 spec141 spec602