titanium end button, hollow & soild type for violin and viola in bright and gun gray (S 7.8mm, Hollow Bright)
SizeS 7.8mm
Special Features
- High comparative strength and toughness.
- Improve sound quality.
- Softer, flexible and tough.
- The hollow end button could improve violin which has sound-tight, slow reaction, smaller volume of sound, blur or not clear sound or clarify sound.
- The solid end button could improve violin which has vacant sound, more noise.
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