Pirastro Flexocor Deluxe*Basic Trial Sets limited to 2 per customer* Features The core material is a high tensile rope made from carbon steel which offers great flexibility. All strings are wound with chrome steel. suitable for solo passages of orchestral performance, classical orchestral repertoire and pizzicato passages A string which likes to be challenged to translate every minute impulse from bow or finger into brilliantly clear or voluminously dark sounds with