Thomastik Infeld Rondo viola string set, synthetic core
Thomastik Infeld Rondo viola string A-1, carbon steel core, chrome wound
Thomastik Infeld Rondo viola string D-2, synthetic core, chrome wound
Thomastik Infeld Rondo viola string G-3, synthetic core, chrome wound
Thomastik Infeld Rondo viola string C-4, synthetic core, tunsteng/silver wound