GEWA Fingerboard marking First Fret 286mm for 1/2 violin and 30.5cm (12 inch) viola

Fingerboard marking First Fret 286mm for 1/2 violin and 30.5cm (12 inch) viola, Small accessories. Specially designed for beginners and students. Helps to learn and play the instrument more easily. Developed by Dr. Phillip Coonce, himself a violinist and teacher. The application can be easily applied and removed without leaving any residue. . .