[Use] The fingerboard fret protector is very useful for luthiers, guitarists and many DIY frets. Suitable for guitar, bass, etc. [Function] The fingerboard fret protector can protect your guitar or bass fingerboard from being scratched or damaged during filing and polishing. [Size] Small size: 7.8x1.3mm, large size: 7.8x2.2cm. [Material] The fingerboard protector is made of metal material, which is durable, rust-proof and not easy to deform, and has a long service life. [Packing] The package contains 4 guitar fingerboard protection devices. 2 small size and 2 large size. Color: Silver Package Including 4 x Fretboard Fingerboard Fret Protectors Product Dimensions: Small size: 7.8x1.3mm Large size: 7.8x2.2cm Features: Protect Your Fingerboard While You File Or Polish Frets