1、INCLUDING TOOLS: This kit includes a guitar fret file, a leveling bar, 2 string spreaders, 4 polishing sandpapers, 2 fretboard guards, and a leveling ruler, suitable for various repair operations. 2、FRET FILE: Suitable for polishing and repairing guitar neck fret. The portable handle provides a comfortable grip, making it convenient for you to polish the fret anytime and anywhere. 3、GUITAR LEVELING TOOL: The fret leveling kit is suitable for measuring the flatness of the fret, and the leveling bar can help you detect differences in the height of the guitar sound. 4、STRING SPREADER AND SHIM: Suitable for polishing and repairing fretboard, equipped with fretboard protector shims to prevent fretboard damage and extend the lifespan of the guitar. 5、DURABLE MATERIALS: These leveling and polishing tools are made of excellent metal, with high hardness and good wear resistance. Emery particles ensure a good polishing effect. Item Type: Guitar Polishing Kit Material: Aluminum, Stainless Steel, Plastic, Emery 1 x Guitar Fret File 1 x Leveling Bar 2 x String Spreaders 4 x Polishing Sandpapers 2 x Fretboard Guards 1 x Leveling Ruler