

💎 Crown your frets like a pro—file, skate, and dominate your guitar setup!
The MusicNomad MN850 Safe Zone S-File is a premium diamond-coated fret crowning tool engineered for precision and ease. Featuring a patent-pending Safe Zone to prevent over filing, dual-radius channels for all fret sizes, and an ergonomic silicone grip handle, it accelerates fretwork while reducing hand fatigue. Trusted by pros and designed in Sonoma, CA, this tool is essential for maintaining perfect fret profiles on Nickel Silver frets across acoustic, electric, and bass guitars.















| ASIN | B0CS12ZY7C |
| Best Sellers Rank | #1,589 in Musical Instruments ( See Top 100 in Musical Instruments ) #23 in Guitar Tools |
| Body Material | Silicone |
| Color Name | Blue |
| Customer Reviews | 4.6 4.6 out of 5 stars (261) |
| Date First Available | January 10, 2024 |
| Item Weight | 6.4 ounces |
| Item model number | MN850 |
| Material Type | Diamonds, Silicone |
| Product Dimensions | 8.75 x 1.37 x 0.17 inches |
S**3
Fantastic quality to performance ratio.!
Fast safe shipment. Expensive. Diamonds are a machinest best friend.!! Diamonds cut efficiently, effortlessly.!! Fantastic quality to performance ratio.! Very comfortable thick silicone jacket. Clever flip flop size design. Fool proof design. Simply glide across worn/ grooved frets. Automatically restores the fret profile ratio. A must have fret or any radius contour tool. Keeps your guitar in perfect playing condition.!!!
A**R
Takes the WORK out of fret work
Another GREAT music nomad product. This is a game changer for me. Its so simple to use and virtually error proof. I used it as soon as I received in on my 90s MIJ Jackson Performer RR V. I did a spot level on 4 of the frets. This tool worked perfectly for both crowning an entire fret and spot crowning. Its also set up to knock down rough fret edges although I didnt have that issue to address. Its has some weight to it, its durable, feels high quality, and the rubber grip makes it VERY comfortable to work with. I had the crowning work done in no time. It may seem pricey at almost $100, but good tools are worth the money - not to mention the time and effort you will save using this file for your fret crowning work. Its a HIGH QUALITY tool that simplifies fret work that is critical to the playability of the instrument and costly if the fret work is not done properly. Its a MUST HAVE tool on your bench.
R**S
The best crowning file, giving accurate results made easy
I have 3 other crowning files similar to the music nomad s file, But similar is a vague statement? The design of the music nomad s file is pretty much fool proof compared to others, it leaves a nice even crown and does not take off the top of the frets after doing a fret leveling. I literally tried fairly hard to see if I could remove some of the top using a marker on top of a fret, and what I ended up with was a very fine bead on top of the fret, after doing this I used a fret rocker to confirm that the top of the fret was level with the fret before and after the fret I just crowned using the music nomad s file and the results were absolutely even all the way across the fret, so I proceeded to crown All existing frets checking each fret after the entire neck of fret leveling was finished..? The results were every single fret remained absolutely even! Now all my fret crowning files can do an okay job, but guaranteed none except for the music nomad s file can yield perfectly even results, and I am impressed to say the least. If you have never done a fret crowning Job, by a fret leveling beam, fret rocker, maybe a fret kisser for spot leveling,(I bet music nomad will come out with a spot leveling tool soon) a fret hammer, some 1000 grit sandpaper, 2000 grit sandpaper, (#0000 steel wool optional if you don't like using sandpaper to polish out the frets) before doing a fret leveling Job remove your strings, adjust truss rod to get the neck as flat straight as possible ( use a straight edge or notched straight edge to check this)make sure all frets are properly seated using a fret hammer tapping lightly (you might use a little wood glue or some type of super glue if frets won't stay seated) check every 3 fret span using a fret rocker, painter's/ masking tape between All frets, Mark fret tops with a blue marker, take your fret leveling beam and start with maybe 300 or 500 grit adhesive strips on sanding beam, proceed with even number of strokes getting All frets, look for marking pin tops that have marking pen on top, keep working the beam until marking pen is gone off frets, check every 3 fret span with fret rocker, all should be level at this point, take the music nomad s file and match the file side to your frets narrow and tall are common on fender/squier.. but check with manufacturer for the fret wire gauge, example, narrow and tall, medium jumbo etc. Go across each fret using the music nomad s file util the grinding sound changes to smooth sound, use 1000 grit to smooth out any filing scratches, then 2000 to get some shine, use some frine fret Polish, wipe off, remove masking tape, use some fretboard conditioner like f-one wipe off, restring and retune and your guitar will play as smooth as butter. There are some good YouTube videos by music nomad for all this and more... But the music nomad s file is simply unbeatable and fail proof, which Will give even beginners the confidence to go forward and giving there guitar a custom shop feel and optimum playability, intonation, and buttery smooth bends and playing in general..
R**R
Two thumbs up
I`ve only use this one time but it worked good and got the job done. Reasonably priced
B**D
Amazing tool
Well this just makes crowning disgustingly easy. Very easy to use. I had NO experience and couldn't be happier. Saw Philip McKnight demonstrate and said that's exactly what I need. Nothing bad about this tool. If you do any work on your axe it's a must have tool. Accurate, functional, quality and easy on the hands. Love you can hear when you're crowned. Not really much of a learning curve. Basic knowledge will do. It did for me. Doesn't damage and I didn't use tape. Comfortable fit for anyone. Nice rubber coating and sizes that won't wear off. Forget the old files, this is the future.
S**T
Great file.
Great product, love the ergonomics and the safety groove . Makes this file a no-brainer. If you're going to do fret work you need this. It worked great on stainless frets but we'll see what the longevity is as this was its first job . I have other diamond files to compare to but the safety groove takes it over the top.
H**K
Fantastic product.
Great quality product and works as described. Some constructive criticism. I wish is was a slightly finer grit.
E**Z
La mejor herramienta para coronar
P**B
After 3 refrets with this crowning file, I can recommend it highly. The design of the tool virtually guarantees a very fine crown everytime. With two different sized grooves, it can cover most any size fret and does handle stainless steel frets very well. The one caveat I would add though is for first time users. Make sure you use the correct size for your fret job and always clean your file often to remove any debris that could hinder the workability of the file. Ergonomic and well weighted to allow you to let the tool do the work. Highly recommended
M**N
Super outil qui m'a permis de faire finaliser la planimétrie de ma guitare et donner une seconde jeunesse à ses frettes ! La lime est ergonimique et simple d'utilisation.
B**R
It's unfortunate Music Nomad tools are super expensive in Canada (curse the exchange rate and shipping costs from USA) . Had a total fret board to do, so had to bite the bullet and purchase the tool. It works, does not damage the fret board. If you use it as described in their videos you can't miss it up. Using this tool minimizes the human error factor, its basically fool proof. It saved time, only hours to use vs. days by other methods. It is a quality tool and highly recommended. I don't believe there is anything else available that would do as good a job for what I needed to do.
K**.
Ich hab die MusicNomad Crowning File gekauft, weil ich mit den hunderten billigen Teilen, die man hier auch findet, einfach nicht zurecht kam. Lieber einmalig etwas mehr ausgeben und dafür dann was für die Ewigkeit haben. Hab die Feile jetzt bei zwei Abrichtarbeiten und einem kompletten Refret verwendet und bin ziemlich zufrieden. Das Ding liegt gut in der Hand, hat spürbares Gewicht und macht genau, was es soll. Die zwei Nutgrößen reichen für alles, was mir bisher untergekommen ist. An Edelstahlbünde hab ich mich noch nicht rangewagt - dazu kann ich leider nichts sagen. Verarbeitung ist top. Tolles Werkzeug.
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