Designed for both professionals and students, this piano tuning kit includes essential tools crafted with precision by expert manufacturers. Each item in the kit combines cost-effectiveness with exquisite workmanship and reliable quality, ensuring a superior tuning experience. This versatile kit is ideal for tuning both grand and upright pianos. Equipped with a universal tuning wrench and octagonal wrench, it's tailored for the piano's four-corner shaft nails, enhancing convenience and efficiency in your tuning tasks. Enhance your tuning precision with our professional-grade piano tuning kit. Alongside traditional tools, this set supports the use of tuning software, allowing you to easily and accurately tune your piano from the comfort of your home. Our tuning wrench features a universal 2 head design, making it exceptionally suitable for piano models. The octagonal wrench's design specifically caters to the piano's four-corner shaft nails, providing a more user-friendly and effective tuning process. Color: As Shown Material: Steel Package Contents: 1 * Professional Piano Tuning Kit 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.