Kershner strings Duzan Fa-Do for the seven-string oud 13 strings

Kreshner strings, Turkish manufacturing, Duzan Fa-Do for Oud, Sabaa style, medium tension, number of strings 13, single string, Duzan from bottom to top (from the answer strings to the decision): Fa- Carbonado - Carbonol - Carbonry - White silver La - White silver Fa - White silver Do - White silver (single string). The lifespan of Kreshner strings is estimated at 3-5 months.