Durable Fret crowning file for reshaping frets, deburring bevel ends and polishing fret sides. 
Unique system with safe gap uses replaceable emery abrasive. 
Includes free abrasive sufficient for several re-frets. 
 
The fret crowning file is purpose designed for dressing the flat/levelled surface of the fret crown. This is essential for good intonation and the design safeguards that the heights of the fret are not altered by this process. The safe gap in the centre of the tool spreads the abrasive either side of the fret and makes certain that sanding pressure on the top of the fret is avoided. 
 
The tool also dresses sharp corners produced from fret end bevelling.
 
Please see the Fret Crowning / Dressing Information Guide & demonstration video for supplementary information.
 
The tool is supplied with industrial emery abrasive (blue twill/cloth backed). The specific properties of industrial 'metalworking' emery enables high precision and smooth surface finish on the frets. 
 
METHOD
The underside of the tool has a concave pressure face. The abrasive is folded and inserted through the gap in the middle of the tool.  The concave surfaces apply abrasive pressure to the sides of the frets only. The gap separates the abrasive above the crown which ensures that the tool doesn't grind away the tops of the frets creating unwanted fret buzz. 
 
For best practice, the abrasive should be trimmed to a neat edge by cutting along the bottom of the tool with some shears. A small shim is supplied to work the abrasive against the tool at each side of the gap. 
 
As the abrasive wears, new emery can be fed through the tool. As a rough guide, each new abrasive portion will dress a single fret and 1-2 strips of abrasive will be required to complete a guitar.
 
As the emery becomes smoother, the fret will be polished with the same abrasive.
 
It is recommended to attach the fret guard to the board using two small strips of tape as shown in the photo and to utilise the rubber band where possible. The guard is made from malleable stainless steel and will flex to the radius of the board. 
 
The tool is suitable for narrow to medium fret wire from 0.095" (2.4mm) up to 0.105" (2 .7mm) where moderate levelling has been performed. For use after heavy levelling, local filing of any prominent flatted areas will be beneficial before using the tool.
 
INCLUDED
Precision Made Fret Crowning / Filing Tool.
Coarse Emery Abrasive - 4 Strips.  
Medium Emery Abrasive - 4 Strips.
Fret guard / Fretboard Protector.
Allen Key.
Abrasive Spreader Shim.
 
RELATED PRODUCTS:
Please see the Product Category  page for related items and spare abrasive.