1、REPAIR TOOL SET: This guitar tool set includes common tools needed for guitar repair and measurement, meeting your various work needs. 2、UNIVERSAL USE: Not only suits for both acoustic and electric guitars, but also for bass, banjo, mandolin and many other strong instruments. 3、CONVENIENT USING: Can be applied to change guitar string, tuning, measuring, repairing and so on, and the operation is very to complete. 4、GOOD MATERIALS: Mainly made of premium metal and ABS materials, all these guitar maintenance tools has great durability for long term use. 5、EASY CARRYING: The storage bag will store the tools in an orderly way while taking little space, which also adds more convenience to your carrying. Item Type: Guitar Repair Tool Material: Metal + ABS 1 x Storage Bag 1 x String Eraser 6 x Guitar Bridge Pin 8 x Hex Wrench 10 x Guitar Fret Crowning File 2 x Fretboard Protector Guard 1 x Polishing Stone 6 x Guitar String 3 x Guitar Pick 1 x Wiping Cloth 9 x Radius Gauge 1 x Grinding Block 1 x String Cutting Plier 1 x Guitar Feeler Gauge 1 x Black Guitar String Winder 1 x Nut File 1 x String Action Ruler