Sturdy Material and Exquisite Craftsmanship: Each tool in this set is made of quality material and meticulously crafted, ensuring long service and fine workmanship that will stand up to the demands of regular use Universal Octagonal Tuning Hammer: The tuning hammer is an essential tool for piano maintenance, featuring a stainless steel star-shaped socket to fit securely over tuning pins, providing the leverage needed for accurate tuning Ergonomic Wooden Handle: The handle is thoughtfully designed to conform to ergonomic principles, providing a comfortable grip that allows you to tune with ease and precision, reducing hand fatigue even during extended use Versatile Application: Specifically designed for both grand and upright pianos, this piano tuning kit meets the needs of professional tuners and beginners alike, ensuring precision and ease in every tuning session Colour:Photo Color Material:Wood+Metal+Rubber Package Contents: 1 x 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.