D'Addario J58 Pro-Arte Viola String Set Long Scale Length Medium Tension Perlon New item. Still sealed in original packaging. D'Addario Pro-Arté Viola Strings Features: Viola strings for students and intermediate players Manufactured at a lower tension to maximize bow response and tonal stability Ultra-fast break-in period Super-flexible multifilament synthetic core Exhibit a warm, mellow tone 4 strings: A-14.4 (aluminum-wound, synthetic core); D-10.6 (aluminum-wound, synthetic core); G-11.6 (silver-wound, synthetic core); C-11.2 (silver-wound, synthetic core)