Thomastik-Infeld Dominant PRO … Thomastik-Infeld Dominant PRO viola A, carbon steel/chrome Item No. DP21 Manufacturer Thomastik-Infeld Thomastik-Infeld Dominant PRO … Thomastik-Infeld Dominant PRO viola A, carbon steel/chrome × Thomastik-Infeld Dominant PRO viola A, carbon steel/chrome