The manufacturer Thomastik Peter Infeld called his eponymous string a revolution of total timbre for the discerning viola player. The strings of Peter Infeld (PI) indeed produce a rich spectrum of timbres and a powerful/elegant sound within a large dynamic range. All this with a direct response and good tunability. The strings feel relatively soft, which can result in an optimal interpretation of the viola playing. The set is composed as follows:

- A string : solid steel core wound with chrome wire, equipped with a removable ball end, so that the string can also be used as a loop end
- D string : synthetic core wound with a high quality chrome steel alloy
- G and C string : synthetic core wound with silver-plated wire

Can be used for violas with a scale length of up to 39 cm or 15 1/2 inches.

Click here for the datasheet of Thomastik Peter Infeld (PI) viola strings.