28mm socket
Skip itPrices mostly outside the sweet spot ($7.00–$14.71) — this niche doesn't clear our bar today.
Conversion
Incredible18.6%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.9%return rate — above 5% kills the launch gate
Review moat
Okay1,990avg incumbent reviews — the moat a new listing must climb
Brand share
Okay86%top-5 brand share — brands hold most of the demand
Avg price
Okay$9.69avg listing price — sweet spot $15–$100
Growth
Okay+0.1%90-day search growth — must beat 0% to launch
Competition
Bad73%top-5 click share — a locked-up shelf
Market size
Bad$69K$69K/yr · 38K searches
Quality gap
Bad4.8★avg incumbent rating — lower means beatable quality
Price range
Bad$7.00–$14.71cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, 28mm socket is a $69K/yr Amazon United States market (38K searches/yr). The top 5 brands hold 86% of demand. Verdict: Skip it — 38/100.
Data updated Jul 12, 2026 · scored weekly · How we score niches
28mm socket market data
- Units sold / yr
- 6K–8K
- avg 500–750/product
- Revenue / yr
- $58K–$78K
- units × avg price
- Conversion rate
- 18.6%
- Avg BSR
- #28
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 67%
- Out of stock
- 5.6%
- Avg brand age
- 48 months
- Avg seller age
- 181 days
Competition & brand share
The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.Brands
7 flat
Sellers
16
Top-5 brand share
86%
Top 20: 100%
Top-5 click share
73%
Top 20: 100%
Open market
5%
- Felisbieti38%
- GEARWRENCH15%
- TIGHTSPOT12%
- TEKTON10%
- LIFSHP10%
- MIXPOWER9%
- Open — no brand owns it (1 brand, 5%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +0.1% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.2×
Top 28mm socket 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 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Felisbieti 28mm fuel filter Socket Cummins tools 3/8 Drive For Dodge Ram 6.7L Cummins Other Vehicles Oil/Fuel Filter Removal Tool
Felisbieti$7.004.7★1,862 rev
GEARWRENCH 1/2 Drive 6 Pt. Standard Impact Socket 28mm - 84539N
GEARWRENCH$8.954.8★555 rev
LIFSHP 28MM Oil Filter Socket 3/8 Drive For Dodge Ram 6.7L Cummins Other Vehicles Oil/Fuel Filter Removal Tool-Green
LIFSHP$7.254.7★551 rev
MIXPOWER 1/2-Inch Drive Deep Impact Socket - 28mm Metric CR-MO 6-Point Deep 1/2Dr. Axle Nut Socket Impact Grade for Easy Removal
MIXPOWER$9.514.8★2,951 rev
TEKTON 1/2 Inch Drive x 28 mm Shallow 6-Point Socket | SHD22128
TEKTON$7.554.8★8,501 rev
Newest
by launch date
Felisbieti 28mm oil filter Socket wrench 1/2 drive CR-MO for Dodge Ram 6.7 Cummins Oil filter/Fuel Filter Canister cap also other vehicle 28mm oil filter removal tool
Felisbieti$8.731,862 rev
WORKPRO 28mm Oil Filter Socket Wrench Oil Filter Removal Tool Oil Filter Change Set Ideal for Some Dodge Ram 6.7L Cummins Oil/Fuel Filter Canister
WORKPRO$8.06882 rev
LIFSHP 28MM Oil Filter Socket 3/8 Drive For Dodge Ram 6.7L Cummins Other Vehicles Oil/Fuel Filter Removal Tool-Green
LIFSHP$7.25551 rev
TIGHTSPOT 1/2 Inch Drive 28 mm Deep Impact Socket with Anti-Rounding 6 Point Design Heat-Treated CRV Steel
TIGHTSPOT$9.78526 rev
TIGHTSPOT 1/2 Inch Drive - 28mm Shallow Impact Socket with Anti-Rounding 6 Point Design Heat-Treated CRV Steel Metric
TIGHTSPOT$9.80144 rev
Trending
90-day click momentumFelisbieti 28mm oil filter Socket wrench 1/2 drive CR-MO for Dodge Ram 6.7 Cummins Oil filter/Fuel Filter Canister cap also other vehicle 28mm oil filter removal tool
Felisbieti$8.734.7★
TIGHTSPOT 1/2 Inch Drive - 28mm Shallow Impact Socket with Anti-Rounding 6 Point Design Heat-Treated CRV Steel Metric
TIGHTSPOT$9.804.7★
TEKTON 1/2 Inch Drive x 28 mm Deep 6-Point Impact Socket | SID23128
TEKTON$11.264.8★
TEKTON 1/2 Inch Drive x 28 mm Shallow 6-Point Socket | SHD22128
TEKTON$7.554.8★
MIXPOWER 1/2-Inch Drive Deep Impact Socket - 28mm Metric CR-MO 6-Point Deep 1/2Dr. Axle Nut Socket Impact Grade for Easy Removal
MIXPOWER$9.514.8★
What buyers say about 28mm socket
What buyers praise and complain about, mined from review topics.What buyers love
“Good fit”
“Quality tool did the job”
“As described”
“Worth the money”
“This 28 mm impact socket is a good quality”
“Handy”
“Works great, and the color makes it easy to find with my oil and fuel change supplies”
“Durable so far”
“Works well on my 2024 Cummins”
“Nice low profile design”
What buyers complain about
“realized did not The correct size Socket”
“Product description is not what it is”
“Garbage”
“Doesn't fit fuel filters”
Top return reasons
Common questions
- Is 28mm socket profitable to sell on Amazon United States?
- The niche generates $69K/yr across 12 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +0.1%. Flapen's verdict: Skip it (38/100).
- How competitive is the 28mm socket niche?
- 7 brands and 16 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 86% of demand.
- What do buyers complain about in 28mm socket?
- Top complaints mined from reviews: Size-Overall, Advertised Vs Actual Product, Quality-Overall. The return rate is 0.9%.
- When does demand for 28mm socket peak?
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- What does it cost to enter the 28mm socket niche?
- Listings span $7.00–$14.71; the average listing price is $9.69 (sweet spot $15–$100). The average incumbent carries 1,990 reviews — the moat a new listing must climb.