[Fret Hammer] The hammer has a soft and hard rubber ends, which is detachable replaceable, suitable for replacement of the guitar wire, multi-functional tool for guitar, ukelele, mandolin, bass [Fret File] The file has the same filing size on both 2 edges, 4 inch long stainless steel filing surface and rubber handle for comfortable use, which to remove the slight burrs from the edges of fret guards, which is applied to narrow fret crowning after leveling [Fret Rocker] Made of stainless steel and has 4 flat and straight edges, which can help your to detect any discrepancy existing in frets height [Fingerboard Guards Protectors with Grinding Stone] Grinding Stone for polishing saddle, nut and frets; Fingerboard Guards to protect your guitar or bass fretboard from scratching or damaging while filing and polishing Color: Silver + Black + Orange material: metal Fret Hammer: Material: Stainless Steel and rubber Suitable for replacement of the guitar wire. An essential tool for repair musical inst ents. Multi-functional tool for guitar, ukelele, mandolin, bass. Size: 25 * 6.2 * 2.3cm / 9.8 * 2.4 * 0.9in Fret File: Material: Stainless Steel Which is applied to narrow fret crowning after leveling Size: filing surface is 4 * 3.2 in Guitar Fret Rocker: Material: stainless steel Color: steel color Size: 10.3 x 5.1 cm/ 4 x 2 inches Thickness: 2 mm/ 0.08 inch 4 side size: 4 inches/ 10.3 cm, 2.9 inches/ 7.5 cm, 2 inches/ 5 cm, 1.3 inches/ 3.3 cm Fingerboard Guards: Material: stainless steel Size: 3 x 0.8 inch and 3 x 0.5 inch 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. Grinding Stone: Size: 3.9 x 0.4 inch/ 10 x 1.1 cm Professional tool forpolishing saddle, nut and frets All accessories are placed in a bundle pocket, easy to store and