3/8 socket set metric
Worth a lookShows a sweet-spot price point ($41.95 avg), but strong incumbent ratings (4.7★) keeps it on the watch list.
Avg price
Incredible$41.95avg listing price — sweet spot $15–$100
Price range
Great$15.15–$111.26cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Great1.5%return rate — above 5% kills the launch gate
Brand share
Great53%top-5 brand share — no brand owns this niche
Competition
Great36%top-5 click share — an open shelf
Review moat
Okay1,661.73avg incumbent reviews — the moat a new listing must climb
Conversion
Okay3.4%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
Bad4.7★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
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.No pronounced peak months · busiest ÷ quietest = 1.2×
Top 3/8 socket set metric search terms
- 3/8 metric socket set40K/yr
- 3/8 socket set metric28K/yr
- 3/8 drive metric socket set10K/yr
- metric 3/8 socket set6K/yr
- metric sockets 3/8 drive4K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
CASOMAN 27 Pieces 3/8-Inch Drive Impact Socket Set Deep & Shallow Metric (7mm - 19mm) 6 Point CR-V Steel
CASOMAN$27.114.7★2,337 rev
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$36.334.7★5,724 rev
DURATECH 3/8 Drive Socket Set Metric Socket Set 10PCS with Storage Rack
DURATECH$15.364.7★734 rev
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$17.794.8★1,165 rev
WORKPRO 32-Piece 3/8-inch Drive Metric Sockets and Ratchet
WORKPRO$44.794.7★225 rev
Newest
by launch date
Dangkiy 3/8 Impact Socket Set 50PCS SAE 5/16-3/4 & Met 8-22mm
DANGKIY$31.73474 rev
CASOMAN 27 Pieces 3/8-Inch Drive Impact Socket Set Deep & Shallow Metric (7mm - 19mm) 6 Point CR-V Steel
CASOMAN$27.112,337 rev
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$42.25721 rev
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$28.41342 rev
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$19.53297 rev
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$18.034.8★
CRAFTSMAN Mechanics Tool Set 24 Piece 3/8 Inch Drive Metric 90-Tooth (CMMT12111)
CRAFTSMAN$22.024.9★
GEARWRENCH 14 Pc. 3/8 Drive 6 Pt. Standard Socket Set Metric - 80552
GearWrench$38.774.8★
CASOMAN 27 Pieces 3/8-Inch Drive Impact Socket Set Deep & Shallow Metric (7mm - 19mm) 6 Point CR-V Steel
CASOMAN$27.114.7★
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$37.274.8★
What buyers say about 3/8 socket set metric
What buyers praise and complain about, mined from review topics.What buyers love
“Solid quality”
“Can't beat this price”
“Great sockets”
“They are durable”
“The fit is solid”
“As described”
“Really handy”
“Sturdy construction”
“has great portability”
“the material of the sockets is good they feel solid”
What buyers complain about
“Bad quality”
“Breaks easily”
“only to find these sockets don't fit”
“Too small”
“there's no attachment for the handle”
“Deceiving description”
“The case is a lot more thicker than some of the others”
“Too expensive”
“Many items looked used”
“Very flimsy”
Top return reasons
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.