The file has 3 different sizes edges, 1mm for narrow frets, 2mm for medium frets and 3mm for wide frets Concave file in center Safe edge prevents damage to fingerboard, long filing surface and wooden handle for comfortable use. Narrow fret crowning file after leveling 4 inch long filing surface and rubber handle for comfortable use Useful tool for guitar. Item Weight:152g Colour:Silver & Yellow Material:Stainless steel + wooden handle Size:25cmx2cmx2cm Package Contents: 1 x Guitar Fret Crowning File Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.