Thomastik Infeld Red Violin D String Size:4/4 G and D strings are

G and D strings are made with a unique multi-filament nylon core

Thomastikinfeld Spirocore Tungsten 4/4 Cello String C

The Amber  set has been developed with the aim of achieving the sound quality of the best gut strings without any tuning instabilities

And the PETER INFELD® violin strings are among our most durable strings

Thomastik Infeld Red Violin D String Size:4/4 G and D strings areInfeld Red violin strings offer a perfect balance at a low tension level similar to Dominant violin strings. With their honest and natural tonal character and due to resonating overtones, they project the real sound character of the instrument. Infeld Red violin strings delight with a warm and broad sound with a more modest and pleasing character. Due to the composite core, these strings feel soft under the left hand and offer a long life span.