Description: Material: This guitar tool is crafted with a hardwood maple handle and a rustproof carbon steel file, providing exceptional strength and fine workmanship. Versatile Use: Suitable for various string instruments such as electric guitar, ukulele, electric bass, banjo, mandolin, neck etc. It's an essential tool for musicians of all levels. Performance: The guitar tool offers high performance for fret leveling and fretboard contouring. It helps to maintain the optimal condition of your instrument by keeping the frets levelled and smooth.Ergonomic Design: With its ergonomic design, this tool allows for easy and convenient filing of the neck and frets. Its size measures 5.87inchx2.22inchx0.98inch making it compact enough to carry around in your instrument case.Package Includes: Each package comes with sanding blocks for guitar bass fret wire leveling fingerboard luthier tool in wood color. Specification: Material: Wooden Carbon Steel Size:14.9cmx5.64cmx2.5cm/5.87inchx2.22inchx0.98inch Package Includes: 1Guitar Bass Fret Leveling File Note: Please allow slightly errors due to manual measurement and different monitors.