MusicNomad MN831 Precision Fret Beveling File (B-File)

Picked this up to trim fret ends to file down fret sprout that occurred as result of seasonal change. Worked great - no damage to side of fretboard. Good weight for smooth movement up and down fretboard. I was even able to use it with strings on. Good value, ease of use and quality. If you own several guitars, a must have in the toolbox👍.

I have used this on 3 guitar necks and it beveled my fret ends perfectly while keeping the edge of my fretboard pristine. The file can be installed at a 45 or 90 degree. The attractive, comfortable in your hand and very clearly well made. Good value for the money and very easy to use.

This MusicNomad fret beveling tool is really handy. Changes in weather, wood shrinkage, etc can cause your frets to poke you in the hand as you play. You could take your guitars to your local tech once or more times per year and pay them for the work. You can, however, buy this tool and learn to do the work yourself. MusicNomad has short informational YouTube videos that explain the process. It's not difficult, just take your time. Yes, there are similar tools, but not like this. This beveler has a radiused surface that conforms to the guitar neck better than a flat-bottomed bevel tool. The file angles were chosen to create optimum playability. I'm happy with my purchase and happy about the progress that I have made in maintaining my own guitar frets. Save money by perfecting a new skill every guitarist can have.

Works great frets are smooth and doesn’t cut into fingers

Double side file included, a medium and a fine cut side. Nicely shaped wood block fits your hand, radius underside might not match every neck out there, but a lot easier to manage as opposed to flat surface which would tend to wander all over as your transverse the neck. The screws to secure file to slot in the block are in metal threaded inserts which is nice. This will get you reasonably uniform flat bevels on fret ends, to which you can further refine to your liking with hand files, rounded over, tapered, etc. Just the ticket for the fret spout which always comes along this time of year in the colder climates! (At least on instruments that haven’t been previously experienced with this) Be careful although with this item (or any time) when working on fret boards over the guitars top! EDIT 1/20/26 Another reviewer mentioned the screws biting into the file surface to hold it in place was not doing the file any favors, and I agreed with that. So, replacing the Phillips head screws with nylon tipped set screws is the cure. The set screw I used is 4mm x 8mm long (0.7mm thread pitch) 2mm hex key, overall length including the nylon tip is about 9mm. Readily available Amazon in pack of 15 for a few bucks. First photo shows both supplied screw and replacement set screw. Otherwise, this tool is a welcome addition to the shop.

I waited until I really used this before reviewing. Purchased because I was already pushing my guitar tool budget and needed to save some money, so I chose this over the more expensive StewMac file. I'm so happy with it!! the angles are perfect, the included file is sharp and quality, the slots are big enough to put any other file in too if you want. It's comfortable and very nice looking. Just great, I love it when the more affordable option over-delivers.

After taking guitars to luthiers to deal with fret sprout over the years I decided to try this product. It couldn't have been easier to use, and it took literally 5 minutes to remove sharp fret ends from one of my acoustic guitars without damaging the fretboard. For the price of one repair I now have a tool that I can use on each of my guitars for years to come, saving time and money. I'm super impressed!

I used both angles to flush and bevel frets on a bass neck that I am building. The fingerboard is maple. Both sides of the tool work well - start with 3 degrees and then 25. It is easy to tell when the frets are flush with the wood - no damage to the wood. I was concerned that the 25 degree bevel was too steep. Other brands have a 35 degree bevel. I was able to adjust the bevel angle easily with another file, but this tool did 90% of the work. I could have also left it at 25 degrees - in that case this tool does 100% of the job. Fret dressing (with a different file) after beveling was a simple task.