---
title: "3/8 Socket Set Metric — $125K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/3-8-socket-set-metric"
last_updated: "2026-08-07T14:17:47.623Z"
locale: en
meta:
description: "Niche score 54/100 · $125K/yr market · 87K searches/yr · $41.95 avg price. Strong incumbent ratings (4.7★) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 54/100 · $125K/yr market · 87K searches/yr · $41.95 avg price. Strong incumbent ratings (4.7★) keeps it on the watch list. Data updated Jul 2026."
"og:title": "3/8 Socket Set Metric — $125K/yr Amazon US Niche (2026) - Flapen"
---
# **3/8 socket set metric**
**Worth a look**
Shows a sweet-spot price point ($41.95 avg), but strong incumbent ratings (4.7★) keeps it on the watch list.
Market size 29Growth 26Conversion 43Competition 79Returns 84Price range 86Avg price 95Brand share 82Review moat 48Quality gap 19
**Avg price**
**Incredible****$41.95**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$15.15–$111.26**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Great****1.5%**
return rate — above 5% kills the launch gate
**Brand share**
**Great****53%**
top-5 brand share — no brand owns this niche
**Competition**
**Great****36%**
top-5 click share — an open shelf
**Review moat**
**Okay****1,661.73**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Okay****3.4%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Okay****$125K**
$125K/yr · 87K searches
**Growth**
**Okay****+0.6%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, 3/8 socket set metric is a $125K/yr Amazon United States market (87K searches/yr). The top 5 brands hold 53% of demand. Verdict: Worth a look — 54/100.
Data updated Jul 29, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **3/8 socket set metric market data**
- **Units sold / yr**
- **3K–3K**
- avg 0–100/product
- **Revenue / yr**
- **$105K–$126K**
- units × avg price
- **Conversion rate**
- **3.4%**
- **Avg BSR**
- **#200**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **84%**
- **Out of stock**
- **0.6%**
- **Avg brand age**
- **55 months**
- **Avg seller age**
- **150 days**
## **Competition & brand share**
Clicks spread well past the top 5 (36% combined) — an open shelf where new products get seen.
**Brands**
**29 **▼falling
**Sellers**
**85**
**Top-5 brand share**
**53%**
Top 20: 92%
**Top-5 click share**
**36%**
Top 20: 73%
**Open market**
**42%**
- CASOMAN28% - WORKPRO8% - DURATECH7% - CRAFTSMAN6% - Amazon Basics5% - pgroup4%
## **Demand & seasonality**
Weekly Amazon search volume, last 102 weeks — +0.6% search growth over the last 90 days.
2K2KSpike '24Holiday '24Prime Day '25Spike '25Black Friday '25Spike '26 seasonDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.2×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/3-8-socket-set-metric/trend)
## **Top 3/8 socket set metric search terms**
- **3/8 metric socket set**40K/yr+1.1%2.3% conv. - **3/8 socket set metric**28K/yr-11.5%2.3% conv. - **3/8 drive metric socket set**10K/yr+37.2%4.1% conv. - **metric 3/8 socket set**6K/yr-1.5%3.1% conv. - **metric sockets 3/8 drive**4K/yr-0.6%4.7% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/3-8-socket-set-metric/search-terms)
## **Top 3/8 socket set metric 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%3%$4K6%$7K9%$11K12%$15K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**CASOMAN 27 Pieces 3/8-Inch Drive Impact Socket Set Deep & Shallow Metric (7mm - 19mm) 6 Point CR-V Steel**CASOMAN**$27.11**4.7★2,337 rev](https://www.amazon.com/dp/B0DPMFGPGX) [2**CASOMAN 3/8 Drive Impact Socket Set 49 Piece Standard SAE and Metric Sizes (5/16-Inch to 3/4-Inch and 8-22 mm) 6 Point Cr-V Steel Socket Set**CASOMAN**$36.33**4.7★5,724 rev](https://www.amazon.com/dp/B07RGBXTQ2) [3**DURATECH 3/8 Drive Socket Set Metric Socket Set 10PCS with Storage Rack**DURATECH**$15.36**4.7★734 rev](https://www.amazon.com/dp/B09FXW1XKH) [4**CASOMAN 13 Pieces 3/8-Inch Drive Impact Socket Set 6-Point Metric Shallow CR-V 7mm to 19mm Heavy Duty Blow Molded Storage Case**CASOMAN**$17.79**4.8★1,165 rev](https://www.amazon.com/dp/B09TNNDCGK) [5**WORKPRO 32-Piece 3/8-inch Drive Metric Sockets and Ratchet**WORKPRO**$44.79**4.7★225 rev](https://www.amazon.com/dp/B0BVQ7S1MM)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Dangkiy 3/8 Impact Socket Set 50PCS SAE 5/16-3/4 & Met 8-22mm**DANGKIY**$31.73**474 rev1y ago](https://www.amazon.com/dp/B0FHQ2W7ND) [**CASOMAN 27 Pieces 3/8-Inch Drive Impact Socket Set Deep & Shallow Metric (7mm - 19mm) 6 Point CR-V Steel**CASOMAN**$27.11**2,337 rev1y ago](https://www.amazon.com/dp/B0DPMFGPGX) [**3/8 Drive Impact Socket Set - 50-Piece SAE (5/16 to 3/4) & Metric (8-22mm) Socket Wrench Set 6-Point CR-V Steel Deep & Shallow Sockets with Ratchet Handle Universal Joint Extension Bar Adapter**ELEAD**$42.25**721 rev2y ago](https://www.amazon.com/dp/B0D2ML37CR) [**Egofine 34 Pieces 3/8 inch Drive Socket Ratchet Wrench Set with Socket Set Metric/SAE and Extension Bar for Auto Repairing and Household with Storage Case**Egofine**$28.41**342 rev2y ago](https://www.amazon.com/dp/B0D3LGW9RY) [**pgroup 20PCS 3/8 Drive Metric Socket Wrench Set 90-Tooth Reversible Ratchet Handle6 Point Shallow Sockets (6-24mm) and Extension Bar 6 CR-V Steel Tool Set For Car Motorcycle Bike Repair**pgroup**$19.53**297 rev2y ago](https://www.amazon.com/dp/B0D3DCTK33)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**CASOMAN 14 Piece 3/8 Drive 6 Point Stubby Socket Set Metric Mirror Chrome Finish 6 7 8 9 10 11 12 13 14 15 16 17 18 19mm**CASOMAN**$18.03**4.8★**▲ 94%**](https://www.amazon.com/dp/B0CZQL76X9) [**CRAFTSMAN Mechanics Tool Set 24 Piece 3/8 Inch Drive Metric 90-Tooth (CMMT12111)**CRAFTSMAN**$22.02**4.9★**▲ 77%**](https://www.amazon.com/dp/B0CYF68811) [**GEARWRENCH 14 Pc. 3/8 Drive 6 Pt. Standard Socket Set Metric - 80552**GearWrench**$38.77**4.8★**▲ 54%**](https://www.amazon.com/dp/B000NICEW6) [**CASOMAN 27 Pieces 3/8-Inch Drive Impact Socket Set Deep & Shallow Metric (7mm - 19mm) 6 Point CR-V Steel**CASOMAN**$27.11**4.7★**▲ 48%**](https://www.amazon.com/dp/B0DPMFGPGX) [**3/8 Drive Impact Socket Set - 49-Piece SAE (5/16 to 3/4 inch) and Metric (8-22mm) Sizes with Extension Bars and Universal Joint Standard & Deep CR-V Material for High Durability Impact Wrench**SEDY**$37.27**4.8★**▲ 29%**](https://www.amazon.com/dp/B0CBWGBBTB)
**~~View all trending →~~**
## **What buyers say about 3/8 socket set metric**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**29%
*“Solid quality”*
**Value For Money**21%
*“Can't beat this price”*
**Socket/Port/Plug**14%
*“Great sockets”*
**Durability**6%
*“They are durable”*
**Size-Overall**6%
*“The fit is solid”*
**Advertised Vs Actual Product**4%
*“As described”*
**Ease Of Use**4%
*“Really handy”*
**Strength**2%
*“Sturdy construction”*
**Portability**2%
*“has great portability”*
**Material Quality**1%
*“the material of the sockets is good they feel solid”*
### **What buyers complain about **
**Quality-Overall**26%
*“Bad quality”*
**Durability**13%
*“Breaks easily”*
**Socket/Port/Plug**9%
*“only to find these sockets don't fit”*
**Size-Overall**6%
*“Too small”*
**Add-Ons/Attachments**4%
*“there's no attachment for the handle”*
**Advertised Vs Actual Product**3%
*“Deceiving description”*
**Thickness**3%
*“The case is a lot more thicker than some of the others”*
**Value For Money**2%
*“Too expensive”*
**Product Condition**2%
*“Many items looked used”*
**Strength**1%
*“Very flimsy”*
### **Top return reasons **
**Size-Overall**29%
**Socket/Port/Plug**16%
**Quality-Overall**11%
**Defective Material/Parts**10%
**Value For Money**9%
**Advertised Vs Actual Product**4%
**Compatibility-Overall**4%
**Product Condition**2%
**Functionality-Overall**2%
**Add-Ons/Attachments**2%
## **Common questions**
- **Is 3/8 socket set metric profitable to sell on Amazon United States?**
- The niche generates $125K/yr across 49 tracked products. 6 of 6 products launched in the last 360 days are still selling. 90-day search growth is +0.6%. Flapen's verdict: Worth a look (54/100).
- **How competitive is the 3/8 socket set metric niche?**
- 29 brands and 85 sellers compete. The top 5 products take 36% of clicks and top 5 brands hold 53% of demand.
- **What do buyers complain about in 3/8 socket set metric?**
- Top complaints mined from reviews: Quality-Overall, Durability, Socket/Port/Plug. The return rate is 1.5%.
- **When does demand for 3/8 socket set metric peak?**
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- **What does it cost to enter the 3/8 socket set metric niche?**
- Listings span $15.15–$111.26; the average listing price is $41.95 (sweet spot $15–$100). The average incumbent carries 1,662 reviews — the moat a new listing must climb.
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