Features of Fret File: 1. The guitar fret file is constructed by heavy duty stainless steel for durability; a layer of rubber wrapped for comfortable grip. 2. The crown file is equipped with narrow, medium and wide groove, fits most fret specifications, 3 corner file, convenient to use 3. Suitable not only for crowning guitar frets for electric guitar, acoustic guitar, Ukulele, etc.; an easy way to crown frets if they are worn. 4. The fret crown measures 19.5 cm/7.68 inch in length, the silver file part 8.5 cm/3.35 inch long and the black rubber part 11 cm/4.33 inch. 5. This file is a tool to make your fret work more efficient and time-saving, a good addition to your guitar maintenance kit; great gift for guitarists. Features of Fretboard Protectors: 1. Bendable stainless steel fretboard protector. 2.Comes with 2 pcs fretboard protectors, one wide and one narrow. 3.Prevents scratching or damaging to guitar or bass fretboard when filing and polishing frets. 4.Useful for luthiers, guitarists, and DIY for many fret works. Material: High carbon steel, stainless steel, rubber Type: Fret Tool Model Number: Guitar Fret Luthier File Color: Silver & Black Fret File Size: Total length 19.5 cm/7.68 inch, the silver file part 8.5 cm/3.35 inch long and the black rubber part 11 cm/4.33 inch Fretboard: 78*22*0.44 mm Small Fretboard: 78*13*0.44 mm Package Contents: 1 * Fret File 2 * Fretboard Protectors Only the above package content, other are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.