JKR018 Rotosound Jumbo King .018 string for acoustic guitar JKR020 Rotosound Jumbo King .020 string for acoustic guitar JKR022 Rotosound Jumbo King .022 string for acoustic guitar JKR024 Rotosound Jumbo King .024 string for acoustic guitar JKR026 Rotosound Jumbo King .026 string for acoustic guitar JKR028 Rotosound Jumbo King .028 string for acoustic guitar JKR030 Rotosound Jumbo King .030 string for acoustic guitar JKR032 Rotosound Jumbo King .032 string for acoustic guitar JKR036 Rotosound Jumbo King .036 string for acoustic guitar JKR038 Rotosound Jumbo King .038 string for acoustic guitar JKR040 Rotosound Jumbo King .040 string for acoustic guitar JKR042 Rotosound Jumbo King .042 string for acoustic guitar JKR044 Rotosound Jumbo King .044 string for acoustic guitar JKR046 Rotosound Jumbo King .046 string for acoustic guitar JKR048 Rotosound Jumbo King .048 string for acoustic guitar JKR050 Rotosound Jumbo King .050 string for acoustic guitar JKR052 Rotosound Jumbo King .052 string for acoustic guitar JKR054 Rotosound Jumbo King .054 string for acoustic guitar JKR056 Rotosound Jumbo King .056 string for acoustic guitar JKR058 Rotosound Jumbo King .058 string for acoustic guitar JKR060 Rotosound Jumbo King .060 string for acoustic guitar M-29-B Martin Traditional Series 029 string M-37-B Martin Traditional Series 037 string M-39-B Martin Traditional Series 039 string M-42-B Martin Traditional Series 042 string M-45-B Martin Traditional Series 045 string M-47-B Martin Traditional Series 047 string M-54-B Martin Traditional Series 054 string M-56-B Martin Traditional Series 056 string BPH-020 Boston 020 string « 1 2 »