This violin accessory is made of quality materials, which can perfectly match the work of the violin, easy to install, and provide perfect sound quality for your violin. This violin accessory is specially designed for violin, simple and elegant design, quality control, you can use it with confidence Tuning, enhance the volume transmitted by the strings, enhance the penetration and saturation of the timbre, and deliver a beautiful timbre Fine-tune pitch and boost volume. Precision Tuning: The sensitivity of these fine tuners allows for accurate tuning with both loop or ball end strings, and steel or rope core strings Colour:Silver Material:Metal Package Contents: 8x Violin Tuner Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.