---
title: "3/8 Impact — $2.2M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/3-8-impact"
last_updated: "2026-08-09T17:20:01.120Z"
locale: en
meta:
  description: "Niche score 40/100 · $2.2M/yr market · 603K searches/yr · $168.16 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 40/100 · $2.2M/yr market · 603K searches/yr · $168.16 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "3/8 Impact — $2.2M/yr Amazon US Niche (2026) - Flapen"
---

# **3/8 impact**

**Skip it**

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 95Growth 24Conversion 27Competition 26Returns 72Price range 18Avg price 52Brand share 0Review moat 55Quality gap 19

**Market size**

**Incredible****$2.2M**

$2.2M/yr · 603K searches

**Returns**

**Good****2.1%**

return rate — above 5% kills the launch gate

**Review moat**

**Good****1,297.36**

avg incumbent reviews — the moat a new listing must climb

**Avg price**

**Good****$168.16**

avg listing price — sweet spot $15–$100

**Conversion**

**Okay****2.2%**

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

**Competition**

**Okay****69%**

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

**Growth**

**Bad****-2.7%**

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

**Quality gap**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

**Price range**

**Bad****$52.48–$318.00**

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

**Brand share**

**Bad****100%**

top-5 brand share — brand-locked demand

**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")

According to Flapen's Amazon United States niche tracking, 3/8 impact is a $2.2M/yr Amazon United States market (603K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 40/100.

Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **3/8 impact market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**10K–13K**</dd><dd>avg 750–1,000/product</dd>

<dt>**Revenue / yr**</dt><dd>**$1.7M–$2.1M**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**2.2%**</dd>

<dt>**Avg BSR**</dt><dd>**#76**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**79%**</dd>

<dt>**Out of stock**</dt><dd>**1.0%**</dd>

<dt>**Avg brand age**</dt><dd>**37 months**</dd>

<dt>**Avg seller age**</dt><dd>**148 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**3 **▼falling

**Sellers**

**293**

**Top-5 brand share**

**100%**

Top 20: 100%

**Top-5 click share**

**69%**

Top 20: 100%

**Open market**

**0%**

- Milwaukee75% - DEWALT23% - DIYtoolifz2% - Open — no brand owns it (0%)

## **Demand**

Weekly Amazon search volume, last 34 weeks — -2.7% search growth over the last 90 days.

23K18KBlack Friday '25Spike '26Nov '25Dec '25Jan '26Mar '26Apr '26May '26Jun '26

[**Open Trend **](https://flapen.com/research/us/automotive/3-8-impact/trend)

## **Top 3/8 impact search terms**

- **milwaukee 3/8 impact**137K/yr-6.6%2.1% conv. - **dewalt 3/8 impact**81K/yr+7.8%2.0% conv. - **3/8 impact**54K/yr-6.9%0.4% conv. - **3/8 milwaukee impact**46K/yr-16.2%2.7% conv. - **milwaukee stubby**31K/yr+26.7%0.9% conv. - **3/8 impact driver**23K/yr+14.0%0.4% conv. - **milwaukee stubby impact**23K/yr-28.1%1.1% conv. - **m12 3/8 impact**21K/yr-15.8%2.3% conv. - **dewalt 3/8 impact wrench**19K/yr+10.9%1.6% conv. - **milwaukee m12 3/8 impact**19K/yr-6.1%1.7% conv. [**All search terms **](https://flapen.com/research/us/automotive/3-8-impact/search-terms)

## **Top 3/8 impact 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.

0%10%$220K20%$440K30%$660K40%$881K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 14 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Milwaukee Electric - M12 FUELTRADE Stubby 3/8 Impact Wrench](https://m.media-amazon.com/images/I/41JJyHFK1wL.jpg)**Milwaukee Electric - M12 FUELTRADE Stubby 3/8 Impact Wrench**Milwaukee**$172.67**4.6★432 rev](https://www.amazon.com/dp/B0DVRYG9SR) [2![Milwaukee M18 FUEL 3/8 Compact Impact Wrench with Friction Ring - No Charger No Battery Bare Tool Only](https://m.media-amazon.com/images/I/31mX0qwcrrL.jpg)**Milwaukee M18 FUEL 3/8 Compact Impact Wrench with Friction Ring - No Charger No Battery Bare Tool Only**Milwaukee**$159.87**4.8★1,988 rev](https://www.amazon.com/dp/B08P3SRT5P) [3![DEWALT ATOMIC 20V MAX* 3/8 in. Cordless Impact Wrench with Hog Ring Anvil (Tool Only) (DCF923B)](https://m.media-amazon.com/images/I/41lRiSdHGvL.jpg)**DEWALT ATOMIC 20V MAX* 3/8 in. Cordless Impact Wrench with Hog Ring Anvil (Tool Only) (DCF923B)**DEWALT**$162.39**4.8★2,117 rev](https://www.amazon.com/dp/B09MLM7BQJ) [4![Milwaukee Electric - M12 FUELTRADE Stubby 3/8 Impact Wrench KIT](https://m.media-amazon.com/images/I/41rtNiHVZ0L.jpg)**Milwaukee Electric - M12 FUELTRADE Stubby 3/8 Impact Wrench KIT**Milwaukee**$294.69**4.8★144 rev](https://www.amazon.com/dp/B0DHLP35K9) [5![MILWAUKEES Mid-Torque Impact Wrench 3/8 Cordless](https://m.media-amazon.com/images/I/41+7b0mVKDL.jpg)**MILWAUKEES Mid-Torque Impact Wrench 3/8 Cordless**Milwaukee**$188.37**4.8★1,860 rev](https://www.amazon.com/dp/B08VQ2JXY7)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Milwaukee M18 FUEL 3/8 Mid-Torque Impact Wrench with Friction Ring 2960-20](https://m.media-amazon.com/images/I/41TYd2iMELL.jpg)**Milwaukee M18 FUEL 3/8 Mid-Torque Impact Wrench with Friction Ring 2960-20**Milwaukee**$215.19**20 rev1y ago](https://www.amazon.com/dp/B0F2VWWNKL) [![Milwaukee Electric - M12 FUELTRADE Stubby 3/8 Impact Wrench](https://m.media-amazon.com/images/I/41JJyHFK1wL.jpg)**Milwaukee Electric - M12 FUELTRADE Stubby 3/8 Impact Wrench**Milwaukee**$172.67**432 rev1y ago](https://www.amazon.com/dp/B0DVRYG9SR) [![Milwaukee M12 FUEL Stubby 1/2 Inch Impact Wrench (Bare Tool)](https://m.media-amazon.com/images/I/41hImXgU9IL.jpg)**Milwaukee M12 FUEL Stubby 1/2 Inch Impact Wrench (Bare Tool)**Milwaukee**$178.34**286 rev1y ago](https://www.amazon.com/dp/B0DQ28L48H) [![DIYtoolifz Cordless Impact Wrench Compatible with Milwaukee 18v Battery: 250Ft-lbs(340N.m) 3/8 Brushless Electric Impact Gun 2400RPM High Torque Impact Driver Power Impact Wrench Bare Tool](https://m.media-amazon.com/images/I/41a2XEwSJIL.jpg)**DIYtoolifz Cordless Impact Wrench Compatible with Milwaukee 18v Battery: 250Ft-lbs(340N.m) 3/8 Brushless Electric Impact Gun 2400RPM High Torque Impact Driver Power Impact Wrench Bare Tool**DIYtoolifz**$52.48**62 rev1y ago](https://www.amazon.com/dp/B0DLZYD5VQ) [![Milwaukee Electric - M12 FUELTRADE Stubby 3/8 Impact Wrench KIT](https://m.media-amazon.com/images/I/41rtNiHVZ0L.jpg)**Milwaukee Electric - M12 FUELTRADE Stubby 3/8 Impact Wrench KIT**Milwaukee**$294.69**144 rev1y ago](https://www.amazon.com/dp/B0DHLP35K9)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Milwaukee M18 FUEL 3/8 Mid-Torque Impact Wrench with Friction Ring 2960-20](https://m.media-amazon.com/images/I/41TYd2iMELL.jpg)**Milwaukee M18 FUEL 3/8 Mid-Torque Impact Wrench with Friction Ring 2960-20**Milwaukee**$215.19**4.7★**▲ 82%**](https://www.amazon.com/dp/B0F2VWWNKL) [![DEWALT ATOMIC 20V MAX* 1/2 in. Cordless Impact Wrench with Hog Ring Anvil (Tool Only) (DCF921B)](https://m.media-amazon.com/images/I/41WmSLY8N0L.jpg)**DEWALT ATOMIC 20V MAX* 1/2 in. Cordless Impact Wrench with Hog Ring Anvil (Tool Only) (DCF921B)**DEWALT**$153.01**4.8★**▲ 80%**](https://www.amazon.com/dp/B09M3TL9BB) [![Milwaukee M12 FUEL Stubby 1/2 Inch Impact Wrench (Bare Tool)](https://m.media-amazon.com/images/I/41hImXgU9IL.jpg)**Milwaukee M12 FUEL Stubby 1/2 Inch Impact Wrench (Bare Tool)**Milwaukee**$178.34**4.8★**▲ 21%**](https://www.amazon.com/dp/B0DQ28L48H) [![Milwaukee 2457-20 M12 Cordless 3/8 Sub-Compact 35 ft-Lbs 250 RPM Ratchet w/ Variable Speed Trigger](https://m.media-amazon.com/images/I/31qLBQdm5IL.jpg)**Milwaukee 2457-20 M12 Cordless 3/8 Sub-Compact 35 ft-Lbs 250 RPM Ratchet w/ Variable Speed Trigger**Milwaukee**$85.30**4.6★**▲ 19%**](https://www.amazon.com/dp/B006CSRBTC) [![Milwaukee Electric - M12 FUELTRADE Stubby 3/8 Impact Wrench](https://m.media-amazon.com/images/I/41JJyHFK1wL.jpg)**Milwaukee Electric - M12 FUELTRADE Stubby 3/8 Impact Wrench**Milwaukee**$172.67**4.6★**▲ 16%**](https://www.amazon.com/dp/B0DVRYG9SR)

**~~View all trending →~~**

## **What buyers say about 3/8 impact**

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

### **What buyers love **

**Quality-Overall**19%

*“pretty good tool -”*

**Strength**14%

*“Solid tool so far”*

**Value For Money**14%

*“Money well spent”*

**Advertised Vs Actual Product**10%

*“Works as advertised”*

**Ease Of Use**7%

*“Easy to use”*

**Weight Light**7%

*“The weight is comfortable”*

**Battery Life**5%

*“Battery life is good”*

**Durability**4%

*“Good and durable”*

**Size-Overall**4%

*“Size is pretty compact”*

**Compactness**3%

*“The compact size is handy for tight spots”*

### **What buyers complain about **

**Durability**16%

*“Broke in two months”*

**Product Condition**12%

*“Not new”*

**Quality-Overall**9%

*“Quality control issue”*

**Size-Overall**7%

*“At any rate this was not a fit for me”*

**Functionality-Overall**6%

*“it did not perform as expected”*

**Strength**5%

*“Not that strong”*

**Battery Life**3%

*“Batteries don't fit it well, they are lose and rattle around, very distracting, i wish i would have bought the Dewalt ill probably send it back”*

**Advertised Vs Actual Product**3%

*“Not as depicted”*

**Socket/Port/Plug**2%

*“It makes short sockets useless”*

**Value For Money**2%

*“they were all gone so I had to buy the more expensive one”*

### **Top return reasons **

**Functionality-Overall**30%

**Product Condition**10%

**Size-Overall**10%

**Battery Inclusion**10%

**Defective Material/Parts**8%

**Value For Money**7%

**Advertised Vs Actual Product**7%

**Strength**4%

**Mechanism Issues**3%

**Low Power**3%

## **Common questions**

<dl>

<dt>**Is 3/8 impact profitable to sell on Amazon United States?**</dt><dd>The niche generates $2.2M/yr across 14 tracked products. 90-day search growth is -2.7%. Flapen's verdict: Skip it (40/100).</dd>

<dt>**How competitive is the 3/8 impact niche?**</dt><dd>3 brands and 293 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 100% of demand.</dd>

<dt>**What do buyers complain about in 3/8 impact?**</dt><dd>Top complaints mined from reviews: Durability, Product Condition, Quality-Overall. The return rate is 2.1%.</dd>

<dt>**What does it cost to enter the 3/8 impact niche?**</dt><dd>Listings span $52.48–$318.00; the average listing price is $168.16 (sweet spot $15–$100). The average incumbent carries 1,297 reviews — the moat a new listing must climb.</dd>

</dl>

## **Related niches in Automotive**

- 72 [**brake bleeder kit**](https://flapen.com/research/us/automotive/brake-bleeder-kit)$2.2M/yr+8.2%**Launch it**- 72 [**gas can pump**](https://flapen.com/research/us/automotive/gas-can-pump)$1.7M/yr+20.1%**Launch it**- 72 [**dewalt hedge trimmer**](https://flapen.com/research/us/automotive/dewalt-hedge-trimmer)$1.6M/yr+158.2%**Launch it**- 72 [**iron eraser**](https://flapen.com/research/us/automotive/iron-eraser)$107K/yr>1,000%**Worth a look**- 72 [**marine fuel line**](https://flapen.com/research/us/automotive/marine-fuel-line)$198K/yr+104.3%**Worth a look**- 72 [**garden hose filter**](https://flapen.com/research/us/automotive/garden-hose-filter)$729K/yr+110.7%**Worth a look**[**All Automotive niches **](https://flapen.com/research/us/automotive)