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