Item Name: Guitar Grinding File Crowning File Dressing Tool Guitar Grinding File Fretboard. Description Features: used for polishing and maintenance of guitar neck wireProduct name:Grinding FileScope of application:Various Guitar InstrumentsSize: 185*15*4mmMaterial: Stainless SteelPackage Includes:1 Piece Grinding file Note: Color might be slightly different due to the color calibration of each individual monitor.Please allow slightly measuring deviation due to manual measurement.