The Thomastik Rondo Cello D String provides wonderful harmonic support to the other strings on your cello. A carbon-steel core combined with multi-alloy winding grants a fantastically broad and warm sound foundation across the range of the string. The rapid and direct response of this string will give you the confidence to play at your absolute best. Thomastiks Rondo range of strings has been designed specifically for advanced and sophisticated cellists. Manufactured to a discerning standard in Austria they deliver a highly expressive dynamic range with rich projection and a balanced overall tone. Youll find a particularly strong focus and tonal intensity with these strings resulting in a refined and mature character in the sound. Rondo strings are ideal for soloists and work particularly well on older vintage instruments. Specifications String for: Cello String: D Scale length: 4/4 Core: Carbon-steel Winding: Multi-alloy String end: Ball end