Perfect tool kit for string instrument. Wonderful gift choice for beginners and pros. With zipper storage bag, handy and convenient. Features: 57 PCS Guitar Tool Kit: 10 x Fret Crowning Luthier File, 13 x Needle File, 1 x Grinding Sponge, 1 x Grinding Stone, 6 x Guitar Bridge Pin, 9 x Understring Radius Gauge, 1 x Feeler Gauge, 1 x String Action Ruler, 2 x Fret Protector Guard, 8 x Allen Wrench, 1 x String Spreader, 1 x Wiping Cloth, 1 x Guitar String Winder, 1 x String Cutting Pliers, 1 x Carry Bag. Multi function, fits for string instrument cleaning, repairing and maintenance, useful luthier tools. Suitable for string instruments such as acoustic/ electric guitar, ukulele, bass, banjo, and etc. Wonderful gift choice for family members and friends who are music lovers. Great for beginners and pros. The zipper carry bag makes tools well organized and easy to be accessed, handy and convenient. Note: Size and color may be slightly different due to manual measurement and different light conditions. Thanks for understanding. Specifications: Color: Multicolor Material: Metal + Plastic Package Size: 27 * 15 * 5cm / 10.63 * 5.91 * 1.97in Package Weight: 730g / 1.61lbs Package List: 10 * Fret Crowning Luthier File 13 * Needle File 1 * Grinding Sponge 1 * Grinding Stone 6 * Guitar Bridge Pin 9 * Understring Radius Gauge 1 * Feeler Gauge 1 * String Action Ruler 2 * Fret Protector Guard 8 * Allen Wrench 1 * String Spreader 1 * Wiping Cloth 1 * Guitar String Winder 1 * String Cutting Pliers 1 * Carry Bag