Strings specially made for mandolin with the same tuning as for viola (C - A). They offer a natural, well-balanced acoustic tone, warm, light sound and reliable performance. Made of the highest quality phosphor bronze and steel with a Loopend construction for universal grip. String thickness: steel .011 / .011, 015 / .015, phosphor bronze .026 / .026, .040 / .040, Designation: Medium