D`Addario Helicore violin SET D`Addario Helicore violin SET, 5-strings, H311, H312, H313, H314, H315 Item No. H310-5 Manufacturer D`Addario D'Addario Helicore violin E D'Addario Helicore violin SET, 5-strings, H311, H312, H313, H314, H315 × D`Addario Helicore violin SET, 5-strings, H311, H312, H313, H314, H315