ITEM NAME:Durable Stainless Steel Guitar Fret Crowning Narrow Dual Edge Tools File #gib Store Home Promotion Hot Item Add to Fav.Narrow fret crowning file after leveling. Usage: Repairing and polishing guitar, violin fret. 1 X Stainless Steel Guitar Fret File. Useful tool for guitar. Material: Stainless Steel. Long filing surface and rubber handle for comfortable use.