Versatility: Besides piano tuning, it can also be applied to tuning or maintenance of other musical instrument, with wide applications Piano-specific: T-wrench is designed for piano tuning, which can precisely adjust tension of piano strings ensures the accuracy of notes Efficient and: T-shaped head of tool is designed for easy to operate, which can quickly and accurately for piano tuning work tuning: T-shaped wrench significant on tone and sound of piano Humanized: comfortable grip, easy to operate, reduce hand fatigue, improve tuning efficiency, suitable for long time use, Manufacturer: NUEAYMS