[Muti-function]Available for change string, set tone, adjust action, check string height, etc., and suitable for string instrument cleaning, maintaining and repairing [Handy & Convenient]Suitable for Luthier, string Instruments user, guitar, DIY for many workers [Handy carrying case] Compact musician's maintenance repair toolkit, perfect gift for beginners or proscenium. [Necessary for musican]Guitar repair designed to help complete the common guitar repairs and adjustments, it includes some of the useful and sought-after for maintenance and repairs Colour:As shown Material:Plastic + Metal Package Contents: 10 * Guitar stainless steel fret crowning luthier files 1 * Feeler gauge (from 0.0015 inch to 0.035 inch) 1 * 13 Different size stainless steel needle file 9 * Stainless steel understring radius gauges 1 * Stainless steel string action ruler 2 * Fretboard fret protector guard 1 * Guitar string winder 1 * String cutting pliers 6 * Guitar bridge pins 1 * Grinding sponge 1 * String spreader 8 * Hex wrenches 1 * Grinding stone 1 * Carrying case 1 * Wiping cloth Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.