Daddario Tuner Ball End Adapter - Ksaa
The Kaplan Solutions Ball End Adapter allows any violin or viola string with a ball end to be used with standard single hook-type fine tuners normally used for loop-end strings. The special design of the adapter preserves the alignment of the string into the tuner. It is small and inconspicuous, and its gold-colored finish matches all styles of instrument fittings. Each package contains five adapters.
The Kaplan brand represents the highest quality in strings and accessories for bowed instruments.