Cumbus Roosebeck Cumbus String Set
The Roosebeck Cumbus String Set is especially designed to provide the most authentic, traditional sound and playability on this unique Turkish instrument. The standard tuning on the Cumbus is just like the Turkish oud and one step higher than the Arabic oud, although almost any oud tuning can be used.

There are 12 strings, for 6 courses.  2 courses of plain steel strings and 4 courses of Nickel Wound stings.  Strings are approximately 48 inches long.
Roosebeck String Set for Cumbus 12-Steel Strings Chart

    Roosebeck Cumbus String Set