Fangrui Product Details Premium Quality: The Guitar Piano Pillow Sharpening Expertly Crafted For Durability And Precision, Ensuring You Achieve The Results In Your Guitar Repair Projects. Versatile Use: This File Set Is Specifically Designed For Grinding And Deepening String Grooves, Making It An Essential Tool For Guitar Maintenance And Repair Enthusiasts. Ergonomic Design: Featuring An Ergonomic Handle, Our Guitar Piano Pillow Sharpening File Provides A Comfortable Grip For Extended Use, Allowing You To Work Efficiently On Your Guitar Without Discomfort. Professional Results: With The Guitar Piano Pillow Sharpening File Upper File Set, You Can Achieve Professional-level Results At Home, Enhancing Your Guitars Performance And Prolonging Its Lifespan. Complete Tool Set: This Comprehensive Guitar Repair Tool Kit Includes Everything You Need For Effective String Groove Maintenance, Making It A Must-have For Both Amateur And Professional Guitarists Alike. Colour:as Shown Material:metal Package Contents: 1 * Round Fine File