Description: 【Guitar Maintenance Tool】: Fret Slotting Miter Box is an essential tool for guitar repair and tuning, designed to accurately cut the metal frets on the guitar fingerboard. It ensures accurate groove depth and width when installing or adjusting the frets, thereby enhancing the tone, comfort and playability of the instrument 【Metal Construction】: Musical Instrument part is made of metal, providing durability and reliability for professional luthiers and amateurs. Its sturdy structure ensures good performance in various guitar maintenance tasks 【Size】: Fretting Miter Box 's size is 30.5cmx8.3cmx7.5cm/12.01inchx3.27inchx2.95inch, suitable for a variety of guitars, whether you are using an electric guitar or an acoustic guitar, you can use it flexibly 【Essential Tools】: Slotter Fret Miter System helps to achieve the alignment and fit of each fret. During the fret installation process, correct grooving is essential to maintaining the sound quality and playability of the guitar 【Package】: The package contains 1 Wide Slot Miter Box to ensure that you can start repairing your guitar Size Chart: 30.5cmx8.3cmx7.5cm/12.01inchx3.27inchx2.95inch Package Includes: 1 Fret Slotting Mitre Box  Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.