Is 37 degree flaring tool profitable to sell on Amazon United States?

The niche generates $112K/yr across 17 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is -8.5%. Flapen's verdict: Skip it (41/100).

How competitive is the 37 degree flaring tool niche?

12 brands and 72 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 76% of demand.

What do buyers complain about in 37 degree flaring tool?

Top complaints mined from reviews: Quality-Overall, Rusts/Corrodes, Instructions/User Manual/Troubleshooting. The return rate is 3.9%.

When does demand for 37 degree flaring tool peak?

Demand is steady year-round — the busiest month runs 1.3× the quietest.

What does it cost to enter the 37 degree flaring tool niche?

Listings span $21.87–$348.58; the average listing price is $107.24 (sweet spot $15–$100). The average incumbent carries 108 reviews — the moat a new listing must climb.

37 degree flaring tool

Skip it

Soft demand (-8.5% this quarter) — this niche doesn't clear our bar today.

Review moat

Great107.65

avg incumbent reviews — the moat a new listing must climb

Avg price

Good$107.24

avg listing price — sweet spot $15–$100

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Brand share

Okay76%

top-5 brand share — brands hold most of the demand

Conversion

Okay3.8%

search→purchase rate — share of searches ending in a sale

Returns

Okay3.9%

return rate — above 5% kills the launch gate

Competition

Okay65%

top-5 click share — leaders hold, buyers still browse

Market size

Okay$112K

$112K/yr · 28K searches

Price range

Bad$21.87–$348.58

cheapest to priciest tracked listing — scored on the share inside $15–$100

Growth

Bad-8.5%

90-day search growth — must beat 0% to launch

Signals Low Review Barrier High Price

According to Flapen's Amazon United States niche tracking, 37 degree flaring tool is a $112K/yr Amazon United States market (28K searches/yr). The top 5 brands hold 76% of demand. Verdict: Skip it — 41/100.

Data updated Jul 11, 2026 · scored weekly · How we score niches

37 degree flaring tool market data

Units sold / yr: 750–1K; avg 0–100/product
Revenue / yr: $80K–$107K; units × avg price
Conversion rate: 3.8%
Avg BSR: #124
Page quality: 0%
Prime: 82%
Sponsored: 88%
Out of stock: 3.7%
Avg brand age: 64 months
Avg seller age: 178 days

Competition & brand share

The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.

Brands

12 falling

Sellers

Top-5 brand share

76%

Top 20: 100%

Top-5 click share

65%

Top 20: 100%

Open market

18%

Performance Tool29%
DPTOOL17%
RIDGID13%
Speedway Motors10%
Mastercool6%
LainKeen6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -8.5% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.3×

Open Trend

Top 37 degree flaring tool 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 17 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Performance Tool W80671 37 Degree Flaring Tool For AN and JIC Fittings Silver

Performance Tool$22.383.4★319 rev

RIDGID 41162 377 Precision Non-Ratcheting Pipe Flaring Tool Flaring Tool for 37-degree SAE Flares

RIDGID$151.424.5★261 rev

DPTOOL Brake Line Flaring Tool Kit 37 Degree Single Double and Bubble Flares Brake Line and Tubing Flaring Tool for 3/16 1/4 5/16 3/8 and 4.75mm Tubing Brake Flare Tool for Steel Metal Tube

DPTOOL$73.494.5★178 rev

DPTOOL Brake Line Flaring Tool Kit 45 and 37 Degree Single Double and Bubble Flares Brake Line and Tubing Flaring Tool for 3/16 1/4 5/16 3/8 and 4.75mm Tubing

DPTOOL$126.344.5★178 rev

LainKeen Brake Line Flaring Tool Kit for 45 and 37 Degree Single Double and Bubble Flares Brake Line and Tubing Flaring Tool for 3/16 1/4 5/16 3/8 Tubes

LainKeen$114.114.5★102 rev

Newest

by launch date

DPTOOL Brake Line Flaring Tool Kit 37 Degree Single Double and Bubble Flares Brake Line and Tubing Flaring Tool for 3/16 1/4 5/16 3/8 and 4.75mm Tubing Brake Flare Tool for Steel Metal Tube

DPTOOL$73.49178 rev

6mo ago

KJE 45 & 37 Degree Brake Line Flaring Tool Kit Single Bubble Double Brake Flare Tool Kit Profession Brake Line and Tubing Flaring Tool for 3/16 1/4 5/16 3/8 Tubes

KJE$106.1027 rev

8mo ago

SEEKSELF Professional Brake Line Flaring Tool Kit for 45 & 37 Degree Single Double and Bubble Flares 3/16 1/4 5/16 3/8 and 4.75mm Steel Copper Metal Tubing

SEEKSELF$129.4839 rev

11mo ago

easchwork Professional Brake Line Flaring Tool Kit 45 & 37 Degree Single Bubble Double Flare Compatible 3/16 1/4 5/16 3/8 Tubes

easchwork$115.0411 rev

1y ago

DPTOOL Brake Line Flaring Tool Kit 45 and 37 Degree Single Double and Bubble Flares Brake Line and Tubing Flaring Tool for 3/16 1/4 5/16 3/8 and 4.75mm Tubing

DPTOOL$126.34178 rev

1y ago

What buyers say about 37 degree flaring tool

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall23%

“Decent DIY Quality”

Value For Money12%

“Worth the investment”

Efficiency12%

“Works well,”

Ease Of Use11%

“Easy to Use”

Advertised Vs Actual Product9%

“As advertised”

Correct Contents5%

“I went and got a better one from a local auto parts store and had zero issues making the parts I needed”

Size-Overall5%

“Works great for AN fittings”

Portability3%

“I like the little carry case to keeps it together instead of getting scattered around garage”

Assembly/Installation3%

“Very easy to set up and use”

Fuel Efficiency3%

“Worked fine to make fuel”

What buyers complain about

Quality-Overall18%

“Junk”

Rusts/Corrodes13%

“The cherry on top is the line cutter came with rust on it”

Instructions/User Manual/Troubleshooting9%

“Instructions are poorly spelled out”

Functionality-Overall8%

“Product doesnt work”

Value For Money8%

“But right now it's a waste of time and money”

Ease Of Use7%

“I just wasted an hour of my life trying to make one decent flare with this tool”

Design-Overall7%

“Its main issue is poorly machined flare and vice surfaces,”

Size-Overall4%

“wont fit in tight areas”

Measurement/Reading Accuracy3%

“What you have here is a very imprecise tool that you need to work on a precision part”

Durability3%

“wobble on the first use”

Top return reasons

Functionality-Overall18%

Size-Overall15%

Defective Material/Parts15%

Quality-Overall7%

Mechanism Issues6%

Product Condition5%

Advertised Vs Actual Product5%

Compatibility-Overall4%

Grip4%

Value For Money4%

Common questions

Is 37 degree flaring tool profitable to sell on Amazon United States?: The niche generates $112K/yr across 17 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is -8.5%. Flapen's verdict: Skip it (41/100).
How competitive is the 37 degree flaring tool niche?: 12 brands and 72 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 76% of demand.
What do buyers complain about in 37 degree flaring tool?: Top complaints mined from reviews: Quality-Overall, Rusts/Corrodes, Instructions/User Manual/Troubleshooting. The return rate is 3.9%.
When does demand for 37 degree flaring tool peak?: Demand is steady year-round — the busiest month runs 1.3× the quietest.
What does it cost to enter the 37 degree flaring tool niche?: Listings span $21.87–$348.58; the average listing price is $107.24 (sweet spot $15–$100). The average incumbent carries 108 reviews — the moat a new listing must climb.