Description: 【3 in 1 Fret Bevel File】: The Fret Bevel File has 3 angles, 3 Degree, 23°, and 35°, Specifically designed for remove fret sprouts and burrs. To avoid damaging the fingerboard with excessive force, Please put a layer of textured paper on the fretboard for protection before use 【Instructions for Use】: The 3 Degree angle is used for beginning fret end beveling file, providing a slight bevel to the fret ends. After the beginning filing, the 23 Degree angle is used for secondary fret end dressing. This steeper 35 Degree angle is used for further polishing the fret ends, providing a more rounded and smooth surface 【Luthier Tools】: The Guitar Fret File is an essential tool for guitar building, made of wood and metal material. You can easily remove fret burrs and fret sprouts 【Widely Applicable】: The Fret End Dressing File was developed to polish the Fret End. Works on Guitar, basseselectric pianos, ukuleles, banjos, and so on 【Save Money and Effort】: This guitar crowning file helps you sand fret burrs, works efficiently and saves you money. After each use, clean up any stray chips with a brush, then wipe the file with oil or protectant to keep from rust and extend its life Specification: Material: Wood and metal Size Chart: 15.2cmx7.2cmx3cm/5.98inchx2.83inchx1.18inch Package Includes: 1 File holder 2 File Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.