Description Pirastro Flexocor Solo Double Bass Strings, are great solo tuning strings (A E B F#). Pirastro also makes an orchestral tuning version. The core material of Flexocor strings is a high-tensile rope made from carbon steel which is wound with chrome steel. They make a great arco string with a quick response and produce the typical warm sound of the orchestra with a short sustain. Flexocor bass strings have a very quick response, are instantly playable and absolutely stable. Made in Germany by Pirastro
