Features: 1.Time and Effort Saving: Guitar string tuner is a retro guitar string tuning system that makes tuning your strings simpler and faster. 2.Accurate Tuning: The guitar string tuner can accurately adjust the pitch of the guitar strings, ensuring that your performance always maintains the best sound quality. 3.Lightweight and Portable: Guitar locking tuner adopts a lightweight and portable design, providing you with a quick tuning solution at any time, whether you are in a recording studio, performance site, or practice room. 4.Multi Functional: Guitar string tuner head is not just a guitar string tuning device, it can also serve as a management tool for guitar strings, giving your guitar a cleaner appearance. 5.Good Compatibility: Guitar string managers are suitable for various guitar types and brands, whether it is electric guitar, wooden guitar, or other types of guitar, they can use it for accurate string tuning. specification:Item Type: Guitar String Tuner Material: Metal PackageList:1 x Guitar String Tuner 1 x Wrench 2 x Washer