Fix one buzzing fret without levelling the whole neck. The Music Nomad U-File Single Fret Leveler 3-Pack (MN813) is a set of three diamond coated stainless steel files that lower a single high fret to match the frets next to it. The U-shaped channel lets you work right under the string, with strings on or off.
Why customers choose it
Who it is for
Players with a buzzing fret, guitar techs and repair shops. Works on electric and acoustic guitars, banjo, mandolin and ukulele, and on bass frets except the first 5 frets near the nut.
What’s in the box
- U-File 1.25″ (3.2 cm)
- U-File 2″ (5.1 cm)
- U-File 3″ (7.6 cm)
- Storage sleeve with hang hole
Specifications
| Type | Single fret leveler (spot levelling file) |
|---|---|
| Pieces | 3 files + storage sleeve |
| Sizes | 1.25″ (3.2 cm), 2″ (5.1 cm), 3″ (7.6 cm) |
| Material | Stainless steel, .059″ (1.50 mm) thick |
| Abrasive | Diamond coated |
| Flatness | Hand lapped, +/-.00125″ per foot |
| Designed In | Sonoma, California, USA |
| Compatible With | Electric and acoustic guitar, banjo, mandolin, ukulele, bass |
Good to know
- On bass it works on all frets except the first 5 frets closest to the nut.
- For levelling all the frets at once, use an L-Beam fret leveler instead (MN810 / MN811).
FAQ
Do I need to remove the strings?
No. The U-shaped channel slides under the string, so you can work with strings on or off.
How do I place it?
Lay it across 3 frets with the high fret in the middle, then file.









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