https://optima-strings.com/shop/de/traditionell/zither/konzertzither/bergfee-blau/1359/1330.ws32-konzertzither-bergfee-nylon-blau-wiener-st.-satz-32-s
1330.WS32 Konzertzither BERGFEE Nylon Blau, Wiener St., Satz 32-s | Optima - Strings Made in Germany