The file has 3 different edge sizes, 1mm for narrow frets, 2mm for medium frets and 3mm for wide frets a concave file in the middle, a secure edge prevents damage to the fretboard, a long filing surface and a wooden handle for comfortable use. Narrow corrosive file after leveling4 inch long surface of the application and with rubber handle for comfortable useUseful tool for guitar. Description:Color: Wood Color + Silver Material: Stainless Steel + Wood Size: Length: 245mm Package Content:1 x Guitar Hexagon FileOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement error is +/- 1-3cm.