Suitable for: electric guitar, bass, mandolin, banjo, ukulele, acoustic guitar and so on.Including everything for string changes and set-ups, perfect for maintaining and keeping your instrument in perfect playing condition. Change strings, set intonation, adjust action, check string height and more. Guitar files are in various shape, equaling flat, round, half round. String Action Ruler Gauge Tool could be used on both side. It's easy to read, so checking and adjusting string action will definitely be a breeze. Screwdriver: you can adjust screwdriver's length and exchange its head by pressing the Round Iron Piece in the middle of the screwdriver. String Organizer makes changing strings quick and easy. Guitar fingerboard guards for protecting your guitar or bass fretboard from scratching or damaging while filing and polishing. Guitar wire pliers is suitable for cutting soft alloy/copper/iron wires, guitar strings, cable ties, pins of electronic component. Multi Spanner Wrench will tighten or loosen most nuts or thumb wheels found on guitars, like output jack, control pot, pickup switch, tuning machine and bridge thumbwheel. Note: This product includes a 26 Pcs guitar repair kit only, excludes any other item. Due to different lighting and screen settings, the color of the item may differ slightly from the picture. Due to manual measurement, please allow slight difference in dimension. What's in the box? 1 x Guitar Wire Pliers 2 x Guitar Fingerboard Protector 3 x Guitar Files 3 x Hex Wrenches (4/5/6mm) 1 x Steel String Ruler 1 x String Action Ruler 1 x Multi Spanner Wrench 6 x Guitar Bridge Pins 1 x Guitar Picks Bag 4 x Guitar Picks (Random Colors) 1 x Guitar Peg Winder 1 x Screwdriver 1 x Storage Bag