Thomastik-Infeld / Pine Rosin for violin and viola

Thomastik-Infeld, a popular string manufacturer, now offers a lineup of pine rosin for violin and viola: Dominant (for both violin and viola), Peter Infeld (for violin), and Vision (for each violin and viola). These pine rosins are especially matched to the strings of the same name. Of course, they are also available for users of other strings. Why not take this opportunity to try Thomastik-Infeld pine rosin?