A practical and necessary guitar maintenance tools kit for guitar enthusiast. Multi-functional combination to meet different kinds of needs. Features: The 3 in 1 guitar string winder string cutter pin puller is made with ABS hard plastic and stainless steel material, fit all guitars, banjos, and mandolins. Made of stainless steel matrial, the file has the same filing size on both 2 edges. 4" long filing surface and rubber handle for comfortable use. Fret rocker is used for fret height measuring, accurate straight edges can help your to detect any discrepancy existing in frets height. Fingerboard protectors is designed to protect the fingerboard when doing work on your fret, prevents scratching or damaging to guitar or bass fretboard when filing and polishing frets. 2 colors grinding stones, professional tool for polishing saddle, nut and frets. Specifications: Material: Stainless steel Item Size: File: 185mm / 7.28in Fingerboard Guard: 78 * 22mm / 3 * 0.86in, 78 * 13mm / 3 * 0.51in Fret Rocker: 103mm / 4in Grinding Stone: 100 * 11mm / 3.9 * 0.43in Package Weight: 225g / 7.94ounces Package Size: 145 * 100 * 25mm / 5.71 * 3.94 * 0.98in Packing List: 1 * Guitar Fret Crowning File 1 * 3 in 1 Guitar String Winder Cutter Pin Puller 1 * Stainless Steel Fret Rocker 2 * Fingerboard Guards Protectors 2 * Grinding Stones