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:metalGrinding stone size: 12 * 12 * 98mm / 0.5 * 0.5 * 3.9inGasket size: 78 * 22mm / 3.1 * 0.9in, 13 * 1mm / 0.51 * 0.03inFile size: 150 * 15 * 4mm / 5.9 * 0.6 * 0.2inSponge size: 99 * 70 * 26mm / 3.9 * 2.8 * 1.0inPackage size: 160 * 100 * 50mm / 6.3 * 3.9 * 2.0inPackage weight: 140g / 4.9ounce Package list:10 * Fret Polishing File1 * Sponge1 * Grind Stone2 * Fingerboard Protector Gasket