Piano Specific: T wrench is designed for piano tuning, accurately adjust the tension of the piano strings, ensuring the accuracy of the musical notes The efficient T-head tool is designed to be easy to operate, allowing you to perform piano tuning work quickly and accurately Versatility: In addition to piano tuning, it can also be used for tuning and maintenance of other musical instruments, and can be used for a wide range of applications Humanization: Comfortable grip, easy to operate, reduce hand fatigue, improve tuning efficiency, suitable for long time use Accurate Tuning: T-key key for piano sound and acoustics, Manufacturer: Qcbuegof