Four removable fine tuners are recommended only for people considering taking some off at some point and going to a single fine tuner. They are also recommended for people wanting to preserve a matching fitting set. The four fine tuners will be installed inthe color to best match you violas fittings, in either black, silver, or gold. If you have questions please call the showroomfor guidance. Our customer service staff can be reached at1-800-779-0242during business hours.