VI-100 Thomastik Infeld Vision violin string set 4/4 medium VI-01 Thomastik Infeld Vision violin string E-1 4/4 medium VI-02 Thomastik Infeld Vision violin string A-2 4/4 medium VI-02B Thomastik Infeld Vision violin string A-2 4/4 medium VI-03 Thomastik Infeld Vision violin string D-3 4/4 medium VI-03A Thomastik Infeld Vision violin string D-3 4/4 medium VI-04 Thomastik Infeld Vision violin string G-4 4/4 medium VI-05 Thomastik Infeld Vision violin string C-5 4/4 medium VI-100-ST Thomastik Infeld Vision violin string set 4/4 heavy VI-01-ST Thomastik Infeld Vision violin string E-1 4/4 heavy VI-02-ST Thomastik Infeld Vision violin string A-2 4/4 heavy VI-03A-ST Thomastik Infeld Vision violin string D-3 4/4 heavy VI-04-ST Thomastik Infeld Vision violin string G-4 4/4 heavy