Obligato Cello String, C - medium - 4/4 from Pirastro.
Pirastro Obligato cello strings are powerful and brilliant sounding synthetic strings which offer stability of pitch and a clear tonal response. Resistant to changes in temperature and humidity.
The Obligato A cello string has a steel core and is wound with chrome steel. The Obligato D, G and C cello strings have a core made of modern synthetic materials. The D string is wound with chrome steel while the G and C strings are wound with tungsten.