Fingerboard Guard: Designed to protect your guitar or bass fretboard from scratching or damaging while filing and polishing.
Guitar Fret Rocker Leveling: 4-in-1 mini straightedge spans three frets, make it versatile for any fretted instrument, from basses to guitars to mandolins. The length of the sides makes it easy to check all of the frets right the way up the fingerboard.
Compatible with electric guitar, acoustic guitar, bass, ukulele, mandolin, etc.

Specifications:
--Guitar Fret File
Material: Stainless Steel file face + rubber handle
File: Dual cutting edge
Guitar Fret File Size: 18.5 * 1.5 * 0.4cm / 7.3 * 0.59 * 0.16inch
Guitar Fret File Weight: 75g / 2.6oz
--Fingerboard Guards
Material: Stainless steel
Size: 3 * 0.8inch and 3 * 0.5inch
--Guitar Fret Rocker Leveling
Material: Stainless steel
Size: 10.5 * 7.8 * 5 * 3.4cm / 4.1 * 3.1 * 2.0 * 1.3inch
--Grinding Sponge
Grinding Sponge Size: 9.7 * 6.8 * 2.5cm / 3.8 * 2.7 * 0.98inch
Grinding Sponge Weight: 19g / 0.68oz
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Package Size: 20 * 15 * 3cm / 7.9 * 5.9 * 1.2inch
Package Weight: 160g / 5.6oz

Packing List:
1 * Stainless Steel Guitar Fret File
2 * Fingerboard Guard
1 * Guitar Fret Rocker Leveling
1 * Grinding Sponge