Guitar Fret Crowning File,Fret Edge End Rounded Tool,Three Radius Slot&File,Multi Function Tools

3. Diamond abrasive way to coarse for this application, use fret erasers makes the frets as as buttery. 2. One flat file, works on fret edge and fret end round.You experience the efficiency of diamond. The hand is made of solid wood: grip and operation. 4. It is made of high quality carbon steel& firmly coated with diamond-like grits. That the service of this file. 1. Four gauges slot are provided in 1mm,2mm,3mm,4mm. The 1mm slot works for extra narrow frets, likes ukuleles; The 2mm slot works for all standard guitars, bass, banjo, mandolin, guitars; The 3mm,4mm slot works for jumbo frets. That means it'll work on most stringed instruments. 5.High Wear- and durability