1、Multipurpose: The guitar fret crowning file tool can be used for other musical instruments in addition to repairing and sharpening guitar string grooves, making it a versatile and useful tool for musical instrument repairs. 2、Multifunctional Design: The guitar fret file has a variety of functions, including repairing and sharpening the guitar's string grooves, as well as fixing string runout and noise problems. 3、Adjustable: The guitar fret crowning dressing file has an adjustable feature that can be adjusted as needed to ensure perfect restoration and sharpening of the guitar string grooves. 4、Highly Durable: The guitar fret repairing file is made of high grade materials that are finely machined and finished to ensure durability and long lasting use. 5、Easy to Use: The guitar fret end dressing file is designed to be easy to use, so you can use it easily, which is convenient and practical for you.