Item Type: Guitar Fret Fingerboard GuardMaterial: MetalSize: Approx. 8cm / 3in 1RUST PROOF AND STURDY: Guitar fingerboard guards are rust proof and sturdy, making them a good auxiliary tool for luthiers and guitarists. 2USE PROCESS: The guitar fretboard protector can avoid scratching or damaging the guitar or bass tuning fork when sanding and polishing pieces for the guitar. 3WIDE USE SCENARIO: The guitar fretboard protector is perfect for daily home guitar maintenance use, and is also a good maintenance tool for school and pre performance. 4LIGHT WEIGHT: The overall weight of the guitar fretboard protector is light and very portable, you can take it with you whenever you need it. 5METAL MATERIAL: Guitar fretboard guards are made of metal material with excellent craftsmanship, which can be done for longer term use.