Guitar string set ac 013-056 Martin - M-150

Martin & Co strings for acoustic guitar.

    M150 - medium 013-056; bronze 80/20;

                      set of 6 strings (0.33-0.43-0.66-0.89-1.14-1.42 mm)

    M175-custom light 011-052;bronze 80/20;

                     set of 6 strings (0.28-0.38-0.58-0.81-1.07-1.32)

    M535 - custom light 11; phosphor bronze;

                     set of 6 strings (0.28-0.38-0.58-0.81-1.07-1.32)