Synthetic/Aluminium wound.
Tonica strings have a core made from nylon. They produce a lively well-rounded sound, and are perfectly balanced across all four strings.

• Tonica strings have a core made from nylon.
• They produce a lively well-rounded sound, perfectly balanced across all four strings.
• Responding instantly to any bowing style, they 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.
• With a highly responsive left hand feel, Tonica strings remain very easy to play all the way up to the highest positions.
• Projection and brilliance have been upgraded.
• However, this excess does not mean that the Tonica has lost its warmth.
• Playing 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.
• Insensitive to variations in temperature and humidity.