Professional premium guitar frets dressing metal file for guitar repairing and maintenance. Features: File, used for polishing and maintenance of guitar neck fret. Gasket is used for polishing and repairing of finger plate, protecting finger plate from damage. Grinding sponge can grind and polish all metal things, soft and can be washed. Stainless steel material, practical to use. The first choice for guitar lovers, DIY enthusiasts and luthier. Specifications: material:metal Grinding stone size: 12 * 12 * 98mm / 0.5 * 0.5 * 3.9in Gasket size: 78 * 22mm / 3.1 * 0.9in, 13 * 1mm / 0.51 * 0.03in File size: 150 * 15 * 4mm / 5.9 * 0.6 * 0.2in Sponge size: 99 * 70 * 26mm / 3.9 * 2.8 * 1.0in Package size: 160 * 100 * 50mm / 6.3 * 3.9 * 2.0in Package weight: 140g / 4.9ounce Package List: 10 * Fret Polishing File 1 * Sponge 1 * Grind Stone 2 * Fingerboard Protector Gasket