Feature: 1. Sturdy And Durable: This guitar fingerboard luthier tool is made of high strength emery plating process, this pins reshaping file has a longer life, sharper filing ability and higher working efficiency. 2. 3 Different Groove Sizes: Cleverly crafted in a square shape to provide multiple flat sides as reference points to ensure parallel filing of the pins, this guitar fret file filing body features three different groove sizes (1mm, 2mm and 3mm) to accommodate a wide range of stringed instruments from ukuleles to jumbo pins. 3. Ergonomic Design: This guitar fret crowning file is designed ergonomically for optimal grip, the square mahogany handle is designed for a comfortable human grip, ensuring a firm grip during use, reducing slippage and achieving stable operation with minimal effort. 4. Multifunctional: This guitar fret end dressing File is multifunctional and not only great for levelling the crown of the pinsilver, but also effective in solving the problem of incisive pinsilver ends on your instrument. 5. Compact And Portable: This guitar fret crowning and edge file is small and lightweight, and comes with a storage bag, which makes it very convenient to carry around and use. Specification: Item Type: Guitar Fret File Material: Diamond, Peach Wood, Metal. Package List: 1 x Guitar Fret File 1 x Storage Bag 1 x Manual