Thomastik-Infeld was founded in Vienna, Austria, by a collaboration between violin makers and engineers! It is a brand that has gained overwhelming support worldwide. Spirocore/Tungsten winding S33 Single item Spirocore strings are high-quality steel strings that use a spiral steel core. They are attractive for their bright tone, rich volume, and good pronunciation. They use "tungsten," which has a higher specific gravity than chrome. They have a heavier, richer volume and smoother tone. The strings can be made thin and soft, making them easy to press even for women. Made by Thomastik-Infeld (Austria)
