- Efficient and Versatile: Our Guitar Fret File features four precision edges (1mm, 2mm, 3mm, 4mm), making it compatible with all standard guitars, basses, banjos, mandolins, and other stringed instruments. The 1mm slot is perfect for extra narrow frets, while the 2mm slot caters to most stringed instruments. The 3mm and 4mm slots are specifically designed for jumbo frets, providing comprehensive functionality for any setup. - Premium Quality Materials: Made from durable carbon steel, our Fret File is coated with diamond-like grits for long-lasting performance. The ergonomic wood handle ensures a secure grip, allowing for smooth and precise filing. - Exceptional Performance: Harness the power of diamond abrasives with our Fret File. It easily smoothens and shapes fret edges and ends, enhancing your instrument's playability. Eliminate rough edges and enjoy a refined playing experience. - Easy to Use: The flat file design simplifies fret edge and end rounding. With four different groove sizes, you can effortlessly address various fret widths and shapes. Ideal for both professional luthiers and DIY enthusiasts, this file is a crucial addition to your toolkit. - Use Scenarios: 1. Perfect for maintaining vintage guitars with narrow frets, ensuring they remain comfortable to play. 2. Essential for setting up new instruments, allowing for quick adjustments to achieve optimal fret smoothness. 3. Great for routine maintenance and repairs, helping to restore worn frets to their original performance.