Guitar Repair Tools 20PCs Guitar Tool with String Organizer Guitar Winder String Cutter String Action Ruler Gauge Fingaorad Guard Fret Files

1.Handy carrying case, compact musician repair repair kit, suitable for beginners or professionals 2. Applicable: Guitar / Bass / Mandolin / Banjo 3. Includes all string changes and settings, perfect for maintaining and keeping your instrument in perfect performance. Change string, set tone, adjust action, check string height, etc 4. Guitar files vary in shape, equal to flat, round, and semi-circular. 5.String Action The ruler measurement tool can be used on both sides. It's easy to read, so checking and adjusting string actions is a breeze.