VI-100-18 Thomastik Infeld Vision violin string set 1/8 VI-01-18 Thomastik Infeld Vision violin string E-1 1/8 VI-02-18 Thomastik Infeld Vision violin string A-2 1/8 VI-03-18 Thomastik Infeld Vision violin string D-3 1/8 VI-04-18 Thomastik Infeld Vision violin string G-4 1/8 VI-100-10 Thomastik Infeld Vision violin string set 1/10 VI-100-16 Thomastik Infeld Vision violin string set 1/16