fret file
Worth a lookShows a sweet-spot price point ($33.05 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Avg price
Incredible$33.05avg listing price — sweet spot $15–$100
Returns
Great1.3%return rate — above 5% kills the launch gate
Review moat
Great301.7avg incumbent reviews — the moat a new listing must climb
Price range
Great$4.62–$109.35cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good63%top-5 brand share — brands hold most of the demand
Competition
Good46%top-5 click share — leaders hold, buyers still browse
Conversion
Good4.3%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.5★avg incumbent rating — lower means beatable quality
Market size
Okay$206K$206K/yr · 144K searches
Growth
Bad-32.0%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, fret file is a $206K/yr Amazon United States market (144K searches/yr). The top 5 brands hold 63% of demand. Demand peaks in Jan–Feb–Mar–Dec. Verdict: Worth a look — 56/100.
Data updated Jul 9, 2026 · scored weekly · How we score niches
fret file market data
- Units sold / yr
- 6K–8K
- avg 100–250/product
- Revenue / yr
- $198K–$264K
- units × avg price
- Conversion rate
- 4.3%
- Avg BSR
- #306
- Page quality
- 0%
- Prime
- 94%
- Sponsored
- 91%
- Out of stock
- 8.7%
- Avg brand age
- 42 months
- Avg seller age
- 211 days
Competition & brand share
The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.Brands
21 falling
Sellers
26
Top-5 brand share
63%
Top 20: 99%
Top-5 click share
46%
Top 20: 88%
Open market
29%
- StewMac20%
- Vacaboro17%
- MAILADA9%
- MusicNomad9%
- Xioysnil8%
- Metallor8%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -32.0% search growth over the last 90 days.Peak months: Jan, Feb, Mar, Dec · busiest ÷ quietest = 2.7×
Top fret file search terms
- fret file47K/yr
- fret crowning file45K/yr
- guitar fret file20K/yr
- fret files6K/yr
- guitar fret crowning file5K/yr
- fret crowning tool6K/yr
- fret file kit5K/yr
- stewmac fret file3K/yr
- crowning file3K/yr
- guitar file3K/yr
Top fret file products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
StewMac Fret End Dressing File - Safely Fix Sharp Guitar Frets & Fret Sprout Fast - For Rounding Shaping and Smoothing Frets - Professional Luthier Guitar Repair Tool - (1175)
StewMac$27.084.8★1,879 rev
Guitar Fret Crowning File Dual Side Fret Crowning Tool Files Fret polishing kit Luthier Tools Professional High Carbon Steel Design for Electric Acoustic Bass Guitar
MAILADA$20.484.4★194 rev
Xioysnil 2PCS Fret End Dressing File - Guitar Fret File for Luthiers & DIY Professional Rounding Shaping Deburring Tool to Fix Sharp Frets & Fret Sprout - Works on All Guitar Frets (Luthier Tools)
Xioysnil$4.624.4★230 rev
Guitar Fret File Double-Side Fret Crowning File Professional High Carbon Steel Design Fret File for Electric Acoustic and Bass Guitars - MD LG XL Frets with Clean brush
Vacaboro$17.774.4★347 rev
Metallor Guitar Fret Crowning Files Dual Sized Compact Fret Dressing File for Standard Guitar Frets with Coarse and Fine Cutting Edges Rubber Grip Guitar Luthiers Tools Repair Tools. (2mm-Medium)
Metallor$20.594.4★84 rev
Newest
by launch date
FretGuru SharkFin Guitar Fret Crowning File | Professional Luthier Fret File | Top-Down Ergonomic Control | D.I.A. Geometry | Razor-Thin Crowns for Guitar & Bass Frets | MD/LG/XL
FretGuru$59.5812 rev
StewMac Original Z-File Fret Crowning File - Diamond Grit Guitar Fret File with Dual Angled Edges - Shapes Both Sides at Once for Faster Accurate Fret Crowning
StewMac$109.354 rev
Xioysnil 2PCS Fret End Dressing File - Guitar Fret File for Luthiers & DIY Professional Rounding Shaping Deburring Tool to Fix Sharp Frets & Fret Sprout - Works on All Guitar Frets (Luthier Tools)
Xioysnil$4.62230 rev
Guitar Fret End Beveling File 4 in 1 3/23/35/90 Degree fret file - Guitar Bass Fret End Dressing Guitar Fret Crowning End Bevel File Luthier Tools for Rounding Shaping and Deburring (GF-4in1)
TOSICAM$21.86119 rev
4-in-1 Bass & Guitar Fret File Tool 3 23 35 90 Angles for Fret Dressing Guitar Fret Tools for Beveling Rounding Deburring Essential Luthier Tools Kit
Aoefykp$20.69102 rev
Trending
90-day click momentumFretGuru SharkFin Guitar Fret Crowning File | Professional Luthier Fret File | Top-Down Ergonomic Control | D.I.A. Geometry | Razor-Thin Crowns for Guitar & Bass Frets | MD/LG/XL
FretGuru$59.584.5★
StewMac Original Z-File Fret Crowning File - Diamond Grit Guitar Fret File with Dual Angled Edges - Shapes Both Sides at Once for Faster Accurate Fret Crowning
StewMac$109.355.0★
Guitar Luthier Tool Kit Included 1 Pcs Guitar Fret Crowning Luthier File 1 Pcs Stainless Steel Fret Rocker 2 Pcs Fingerboard Guards Protectors and 2 Grinding Stone for Guitar
Kuylive$11.864.2★
StewMac Guitar Fret Leveling File 6 Length (0862) Hardwood Handle Works on Nickel-Silver & Stainless-Steel Frets
StewMac$70.584.6★
StewMac Fret End Dressing File - Safely Fix Sharp Guitar Frets & Fret Sprout Fast - For Rounding Shaping and Smoothing Frets - Professional Luthier Guitar Repair Tool - (1175)
StewMac$27.084.8★
What buyers say about fret file
What buyers praise and complain about, mined from review topics.What buyers love
“This is a good quality quality tool works great”
“Good value for money”
“It does a great job of crowning frets after a complete fret level”
“Easy to use”
“Works as advertised”
“Super comfy”
“effective fret work”
“No sharp frets now”
“The micro finish pads seem durable”
“fits my hand well”
What buyers complain about
“Expensive”
“A horrible, nearly unusable and unforgivable piece of garbage”
“I wouldn't call it quick or easy”
“bad screw fit”
“this file has wrecked my frets”
“damage/scuff your work”
“Its made of really cheap pot metal that wouldnt file wood much less metal frets”
“There may be better descriptions online”
“It is very rigid”
“Can't screw up”
Top return reasons
Common questions
- Is fret file profitable to sell on Amazon United States?
- The niche generates $206K/yr across 33 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -32.0%. Flapen's verdict: Worth a look (56/100).
- How competitive is the fret file niche?
- 21 brands and 26 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 63% of demand.
- What do buyers complain about in fret file?
- Top complaints mined from reviews: Value For Money, Quality-Overall, Ease Of Use. The return rate is 1.3%.
- When does demand for fret file peak?
- Demand peaks in Jan–Feb–Mar–Dec; the busiest month runs 2.7× the quietest.
- What does it cost to enter the fret file niche?
- Listings span $4.62–$109.35; the average listing price is $33.05 (sweet spot $15–$100). The average incumbent carries 302 reviews — the moat a new listing must climb.