edge finder
Worth a lookShows low returns (1.0%), but soft demand (-18.3% this quarter) keeps it on the watch list.
Returns
Incredible1.0%return rate — above 5% kills the launch gate
Avg price
Incredible$30.86avg listing price — sweet spot $15–$100
Review moat
Great176.21avg incumbent reviews — the moat a new listing must climb
Conversion
Great7.4%search→purchase rate — share of searches ending in a sale
Price range
Good$9.14–$131.17cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Brand share
Good74%top-5 brand share — brands hold most of the demand
Competition
Okay55%top-5 click share — leaders hold, buyers still browse
Market size
Okay$105K$105K/yr · 46K searches
Growth
Bad-18.3%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, edge finder is a $105K/yr Amazon United States market (46K searches/yr). The top 5 brands hold 74% of demand. Verdict: Worth a look — 55/100.
Data updated Jul 30, 2026 · scored weekly · How we score niches
edge finder market data
- Units sold / yr
- 3K–4K
- avg 100–250/product
- Revenue / yr
- $93K–$123K
- units × avg price
- Conversion rate
- 7.4%
- Avg BSR
- #582
- Page quality
- 0%
- Prime
- 88%
- Sponsored
- 67%
- Out of stock
- 6.1%
- Avg brand age
- 66 months
- Avg seller age
- 168 days
Competition & brand share
The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.Brands
14 falling
Sellers
62
Top-5 brand share
74%
Top 20: 95%
Top-5 click share
55%
Top 20: 96%
Open market
20%
- TESA Brown & Sharpe19%
- PEC Tools17%
- Mitutoyo16%
- Starrett16%
- RAHISH TOOLS6%
- Fowler5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -18.3% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top edge finder search terms
- edge finder32K/yr
- edge finder machinist11K/yr
- starrett edge finder3K/yr
Top edge finder 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
Brown & Sharpe Audible Edge Finder
TESA Brown & Sharpe$23.014.5★199 rev
Starrett Edge Finder .200 Contact Diameter .375 Body Diameter
Starrett$40.754.7★718 rev
PEC Tools Mechanical Edge Finder & Center Finder Set Cylindrical Contact 3/8Shank Diameter 0.200 Tip
PEC Tools$18.474.2★24 rev
Mitutoyo 050102 Edge Finder 1/2 Shank Diameter 0.200 Tip Diameter Hardened & Ground Working Surfaces Designed for Precise Workpiece Locations in Milling Machining and CNC Applications
Mitutoyo$27.474.7★544 rev
Mitutoyo 050103 Edge/Center Finder 3/8 Diameter Shank 0.200 Diameter Tip
Mitutoyo$29.514.7★1,145 rev
Newest
by launch date
PEC Tools Electronic Edge Finder 0.200 Contact Tip 1/2 Shank High Accuracy Featuring Visual Indicator Red Lights for Conductive Metal Surfaces Made in USA
PEC Tools$57.650 rev
XUNKUANER 3D Light Edge Finder Touch Probe for Metals 0.01mm Precision
XUNKUANER$65.700 rev
XUNKUANER CNC Touch Probe Edge Finder 0.001mm Accuracy IP67 M4 Thread
XUNKUANER$131.174 rev
PEC Tools Mechanical Edge Finder & Center Finder Set Cylindrical Contact 3/8Shank Diameter 0.200 Tip
PEC Tools$18.4724 rev
PEC Tools Mechanical Edge Finder 1/2 Diameter Shank 0.200 & 0.500 Diameter Tip Double End Finder Locates Round or Flat Work
PEC Tools$17.757 rev
Trending
90-day click momentum
HHIP 4401-0031 Single End Micro Edge Finder 1/2 Shank Diameter 0.200 Tip Diameter .0002 Accuracy
HHIP$11.134.3★
PEC Tools Electronic Edge Finder 0.200 Contact Tip 1/2 Shank High Accuracy Featuring Visual Indicator Red Lights for Conductive Metal Surfaces Made in USA
PEC Tools$57.650.0★
XUNKUANER 3D Light Edge Finder Touch Probe for Metals 0.01mm Precision
XUNKUANER$65.700.0★
Brown & Sharpe Standard Edge Finder Single-End Usability for Easy Setup
TESA Brown & Sharpe$28.004.6★
XUNKUANER CNC Touch Probe Edge Finder 0.001mm Accuracy IP67 M4 Thread
XUNKUANER$131.174.7★
What buyers say about edge finder
What buyers praise and complain about, mined from review topics.What buyers love
“cheap for a reason”
“Performance has been very, very consistent”
“Does the job”
“Good tool works well”
“The machining is precise”
“Helped me find the edges”
“big and heavy duty”
“The spring is good and stiff and it just feels like a quality edge finder”
“The housing is stainless steel”
“The standby current is only 8 microamps so the CR2025 battery will last quite a while”
What buyers complain about
“Cheap,”
“mainly doesnt work most of the time”
“Fraudulent listing”
“Hard to find an edge when working with some material”
“I broke my previous one. turns out that's just a thing”
“takes an odd battery”
Top return reasons
Common questions
- Is edge finder profitable to sell on Amazon United States?
- The niche generates $105K/yr across 24 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -18.3%. Flapen's verdict: Worth a look (55/100).
- How competitive is the edge finder niche?
- 14 brands and 62 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 74% of demand.
- What do buyers complain about in edge finder?
- Top complaints mined from reviews: Quality-Overall, Functionality-Overall, Advertised Vs Actual Product. The return rate is 1.0%.
- When does demand for edge finder peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the edge finder niche?
- Listings span $9.14–$131.17; the average listing price is $30.86 (sweet spot $15–$100). The average incumbent carries 176 reviews — the moat a new listing must climb.