violin string set 4/4 medium, consists of CO-601-MB, CO-602-M, CO-603-M, CO-604-M
cello string set 4/4
cello string D-2 4/4, medium, steel core, multialloy aluminum
cello string G-3 4/4, medium, steel core, tungsten
cello string C-4 4/4, medium, steel core, tungsten