Thomastik Infeld TH-135-18 violin string set 1/8, synthetic core, includes TH-130-18Thomastik Infeld TH 135 18 violin string set 1 8, synthetic core, includes TH 130 18 The DOMINANT string is a highly flexible, multistrand synthetic core string for tonal warmth and feel of gut and is impervious to changes in humidity, allowing for stable intonation and long life. The sound is soft, clear and rich in overtones. Dominant strings, widely recognized as the reference standard, are legendary for distinctive tone and playability.