Thomastik Infeld Spectrum   string set acoustic, bronze roundwound, 010-014-022-030-041-050

Thomastik Infeld Spectrum   string set acoustic, bronze roundwound, 011-015-024-032-043-052

Thomastik Infeld Spectrum   string set acoustic, bronze roundwound, 012-016-025-035-044-054

Thomastik Infeld Spectrum   string set acoustic, bronze roundwound, 013-017-026-036-045-057