Tonica strings have a core made from nylon. They produce a lively well-rounded sound, perfectly balanced across all four strings. They Respond instantly to any bowing style, and reward both player and listener with an open and direct sound. With substantially reduced background ‘hiss’, players can sustain a more even tone helping to achieve smoother string crossings. Whilst giving positive feed back to your left hand, Tonica strings remain very easy to play right up into the highest positions. Its projection and brilliance have been upgraded However, this excess does not mean that the Tonica has lost its warmth. Its ability to play pianissimo has considerably improved. All bow strokes are possible resulting in smooth crossings from one note to another. Easy right hand articulation and tone attack. Due to their medium string tension Tonica strings are suitable for all instruments. As are most nylon string, Tonica strings are insensitive to variations in temperature and humidity.