Designed for Both Professionals and Beginners: This comprehensive kit is perfect for piano technicians, music schools, and hobbyists looking to fine-tune their piano tuning skills. It includes everything needed for both grand and upright pianos.High-Quality and Cost-Effective Manufacturing: Crafted by expert manufacturers, this kit offers exceptional value with its fine craftsmanship and dependable quality. It's designed to withstand the rigors of regular use while maintaining tuning precision.User-Friendly with Tuning Software Compatibility: Achieve professional tuning results at home. This kit works seamlessly with popular piano tuning software, allowing even novices to expertly tune their pianos with ease and precision.Innovative Octagonal Tuning Wrench: The included wrench features a versatile 2-head, octagonal design, specifically engineered for easy access and adjustment of piano's corner shaft nails, enhancing tuning efficiency and comfort.Material: Metalcolour: As shownPackage Contents:1 x Piano Tuning KitOnly 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.