Pirastro Flexocore-Permanent steel strings produce a relatively warm sound with great projection, very stable. powerful sound and excellent response. The strings have the following specification:

• Steel E string (ball-end and loop-end);
• A string steel core, aluminum wrapped;
• D string steel core, wrapped with titanium;
• G string steel core, wrapped with silver.

Click here for the datasheet of Pirastro Flexocor-Permanent violin strings.