Pirastro Tonica violin SET, E-… Pirastro Tonica violin SET, E-ball end Gold Label Item No. P412027 Manufacturer Pirastro Pirastro Tonica violin SET, E-… Pirastro Tonica violin SET, E-ball end, Gold Label, (P315121, P412221, P412821, P412421) × Pirastro Tonica violin SET, E-ball end Gold Label