1 5/16 wrench
Skip itStrong incumbent ratings (4.8★) — this niche doesn't clear our bar today.
Returns
Incredible0.8%return rate — above 5% kills the launch gate
Avg price
Incredible$46.00avg listing price — sweet spot $15–$100
Conversion
Good6.8%search→purchase rate — share of searches ending in a sale
Review moat
Good911.92avg incumbent reviews — the moat a new listing must climb
Price range
Good$5.97–$160.63cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Okay83%top-5 brand share — brands hold most of the demand
Growth
Bad-3.0%90-day search growth — must beat 0% to launch
Competition
Bad77%top-5 click share — a locked-up shelf
Market size
Bad$66K$66K/yr · 21K searches
Quality gap
Bad4.8★avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, 1 5/16 wrench is a $66K/yr Amazon United States market (21K searches/yr). The top 5 brands hold 83% of demand. Verdict: Skip it — 42/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
1 5/16 wrench market data
- Units sold / yr
- 2K–3K
- avg 100–250/product
- Revenue / yr
- $92K–$115K
- units × avg price
- Conversion rate
- 6.8%
- Avg BSR
- #128
- Page quality
- 0%
- Prime
- 92%
- Sponsored
- 58%
- Out of stock
- 5.1%
- Avg brand age
- 79 months
- Avg seller age
- 186 days
Competition & brand share
The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack.Brands
10 flat
Sellers
54
Top-5 brand share
83%
Top 20: 100%
Top-5 click share
77%
Top 20: 100%
Open market
12%
- Sunex Tools30%
- Performance Tool28%
- TEKTON10%
- Jaeger9%
- GRENPRO5%
- GEARWRENCH5%
- Open — no brand owns it (4 brands, 12%)
Demand & seasonality
Weekly Amazon search volume, last 102 weeks — -3.0% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top 1 5/16 wrench 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
SUNEX TOOLS 942A 1-5/16 Jumbo Combination Wrench
Sunex Tools$15.704.8★707 rev
Performance Tool W376B 1-5/16-Inch Jumbo Wrench
Performance Tool$17.414.7★573 rev
Jaeger 1-5/16 Inch Jumbo Combination Wrench 12-Point 15 Offset SAE
Jaeger$30.054.7★223 rev
TEKTON 1-5/16 Inch Combination Wrench | WCB23033
TEKTON$34.524.8★5,844 rev
GRENPRO SAE Wrench Set Large Wrench Set 7-Piece 15/16 1 1-1/16 1-1/8 1-3/16 1-1/4 Long Big Open End Wrench Tools Set Roll Up Pouch Organizer with Gauge 12 Point Combination Wrenches Sets
GRENPRO$34.684.8★188 rev
Newest
by launch date
TEKTON 1-5/16 Inch Service Wrench | WSE14333 | Made in USA
TEKTON$27.3673 rev
GRENPRO SAE Wrench Set Large Wrench Set 7-Piece 15/16 1 1-1/16 1-1/8 1-3/16 1-1/4 Long Big Open End Wrench Tools Set Roll Up Pouch Organizer with Gauge 12 Point Combination Wrenches Sets
GRENPRO$34.68188 rev
JRSDRIVE Jumbo Combination Wrench 1-5/16 inch size spanner Heavy Duty Use for Home Garage and Workshop E-2004J
JRSDRIVE$28.063 rev
Jaeger 1-5/16 Inch Jumbo Combination Wrench 12-Point 15 Offset SAE
Jaeger$30.05223 rev
CRAFTSMAN 1-5/16 Inch 12 Point SAE Combo Wrench (CMMT44709)
CRAFTSMAN$32.3517 rev
Trending
90-day click momentum
Capri Tools 5/16-inch Combination Wrench 12 Point SAE Chrome (1-1402)
Capri Tools$5.974.8★
ABN Large Combination Wrench Set SAE 1-5/16 to 2in - Standard 10 Piece Jumbo Open End Wrench Set
ABN$160.634.7★
JRSDRIVE Jumbo Combination Wrench 1-5/16 inch size spanner Heavy Duty Use for Home Garage and Workshop E-2004J
JRSDRIVE$28.065.0★
GRENPRO SAE Wrench Set Large Wrench Set 7-Piece 15/16 1 1-1/16 1-1/8 1-3/16 1-1/4 Long Big Open End Wrench Tools Set Roll Up Pouch Organizer with Gauge 12 Point Combination Wrenches Sets
GRENPRO$34.684.8★
TEKTON 1-5/16 Inch Service Wrench | WSE14333 | Made in USA
TEKTON$27.364.8★
What buyers say about 1 5/16 wrench
What buyers praise and complain about, mined from review topics.What buyers love
“A nice combo wrench and good quality”
“Good tools for the money”
“Better than expected”
“Heavy duty”
“Great wrench”
“Fits 34mm too”
“Wrench fits the crank pulley bolt”
“The roll up they come in is pretty solid too”
What buyers complain about
“I didn't have this size”
“the ratchet end already broke”
“Be prepared because they are heavy”
“though the case is not very good”
“They're thin”
Top return reasons
Common questions
- Is 1 5/16 wrench profitable to sell on Amazon United States?
- The niche generates $66K/yr across 12 tracked products. 90-day search growth is -3.0%. Flapen's verdict: Skip it (42/100).
- How competitive is the 1 5/16 wrench niche?
- 10 brands and 54 sellers compete. The top 5 products take 77% of clicks and top 5 brands hold 83% of demand.
- What do buyers complain about in 1 5/16 wrench?
- Top complaints mined from reviews: Size-Overall, Durability, Weight Heavy. The return rate is 0.8%.
- When does demand for 1 5/16 wrench peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the 1 5/16 wrench niche?
- Listings span $5.97–$160.63; the average listing price is $46.00 (sweet spot $15–$100). The average incumbent carries 912 reviews — the moat a new listing must climb.