JYCCH Guitar Fret Crowning File,Fret Edge File,Fret End Rounded Tool, Radius Slot&File,Multi-Function Guitar Fret

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, , , mandolin, guitars; The 3mm,4mm slot works for jumbo frets. means it'll work on stringed instruments. 3. Diamond abrasive to coarse for this application, fret erasers makes the frets as as buttery. 4. It is made of high carbon steel& firmly coated with diamond-like grits. the service of this file. 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: and operation. 5.High Wear- and durability