This is a portable and wide applicability tuner used to tune violin. This Tuner is a good option for you to keep your instrument in Tune. Get one before you run out of supplies. Manufactured with safe and reliable alloy material, ensure its durability and practicability. Features -Color:Silver -Material:Alloy -Size:2.70X2.40X0.70cm/1.06X0.94X0.28in -Note: Suitable for 4/4 - 3/4 acoustic violins, and also electric violins with a tailpiece similar to an acoustic violin. -The violin fine tuners are made of alloy material, highlight the texture. Durable and reusable, can be used with . -Classic color and style, simple and beautiful appearance. The packaging is simple, cost-effective, and you can handy tools at a . -The trimmer ensures that the violin strings are in the correct position when tuning, great for violin stability and string vibration, great for tuning parts and replacements. -Wide applicability, suitable for 3, 4-4, 4 size violin tuning. A great gift choice for violin lover. -EASY INSTALLATION: These violin tuners are very easy to install without any tools. Package list: 4 x Violin Fine Tuners