1 5/8 wrench
Skip itA small market ($64K/yr) — this niche doesn't clear our bar today.
Avg price
Incredible$39.89avg listing price — sweet spot $15–$100
Conversion
Great11.2%search→purchase rate — share of searches ending in a sale
Price range
Great$7.80–$103.13cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Great1.8%return rate — above 5% kills the launch gate
Review moat
Good1,354.11avg incumbent reviews — the moat a new listing must climb
Brand share
Okay78%top-5 brand share — brands hold most of the demand
Competition
Okay69%top-5 click share — leaders hold, buyers still browse
Growth
Bad-11.4%90-day search growth — must beat 0% to launch
Market size
Bad$64K$64K/yr · 14K searches
Quality gap
Bad4.8★avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, 1 5/8 wrench is a $64K/yr Amazon United States market (14K searches/yr). The top 5 brands hold 78% of demand. Verdict: Skip it — 44/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
1 5/8 wrench market data
- Units sold / yr
- 2K–2K
- avg 100–250/product
- Revenue / yr
- $60K–$80K
- units × avg price
- Conversion rate
- 11.2%
- Avg BSR
- #164
- Page quality
- 0%
- Prime
- 89%
- Sponsored
- 61%
- Out of stock
- 7.7%
- Avg brand age
- 83 months
- Avg seller age
- 191 days
Competition & brand share
The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.Brands
14 rising
Sellers
66
Top-5 brand share
78%
Top 20: 100%
Top-5 click share
69%
Top 20: 100%
Open market
18%
- Sunex Tools29%
- Performance Tool27%
- TEKTON13%
- HARFINGTON5%
- KLEIN TOOLS4%
- TIGHTSPOT4%
Demand
Weekly Amazon search volume, last 19 weeks — -11.4% search growth over the last 90 days.Top 1 5/8 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 18 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
SUNEX TOOLS 952A 1-5/8 Jumbo Combination Wrench CRV
Sunex Tools$25.814.8★707 rev

Performance Tool W345B 12-Point Combo Wrench with Satin Chrome Finish 1-5/8-Inch Combo Wrench
Performance Tool$22.704.7★783 rev

TEKTON 1-5/8 Inch Service Wrench | WSE14341 | Made in USA
TEKTON$33.934.8★73 rev

TEKTON 1-5/8 Inch Combination Wrench | WCB23041
TEKTON$59.234.8★5,844 rev

HARFINGTON Single Open Ended Spanner Wrench 41mm (1 5/8-inch) Thicken Carbon Steel Open End Wrench Tool for Automotive Repair and Furniture Assembly Grey
HARFINGTON$28.254.6★72 rev
Newest
by launch date
TEKTON 1-5/8 Inch Service Wrench | WSE14341 | Made in USA
TEKTON$33.9373 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 1-5/8 inch size spanner Heavy Duty Use for Home Garage and Workshop E-2004J
JRSDRIVE$38.963 rev

TIGHTSPOT 1-5/8 Inch Combo Ratchet Wrench - Hardened Tight-Spot Tool
TIGHTSPOT$56.44251 rev

HARFINGTON Single Open Ended Spanner Wrench 41mm (1 5/8-inch) Thicken Carbon Steel Open End Wrench Tool for Automotive Repair and Furniture Assembly Grey
HARFINGTON$28.2572 rev
Trending
90-day click momentum
Performance Tool W343B Combo Wrench Silver 1-3/8-Inch
Performance Tool$21.804.7★

Capri Tools 5/8-inch Combination Wrench 12 Point SAE Chrome (1-1407)
Capri Tools$7.804.8★

Performance Tool W345B 12-Point Combo Wrench with Satin Chrome Finish 1-5/8-Inch Combo Wrench
Performance Tool$22.704.7★

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★

Jaeger 1 5/8 Inch Combo Ratchet Wrench 120-Tooth Chrome Vanadium SAE
Jaeger$65.764.7★
What buyers say about 1 5/8 wrench
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality tool”
“Good tools for the money”
“Better than expected”
“Simple, perfect”
“Perfect size & well made”
“This wrench has worked perfectly for my needs”
“The adjustment knob turns easily with one hand”
“Heavy duty”
“not a design flaw”
“The roll up they come in is pretty solid too”
What buyers complain about
“Large size opening”
“I believe it is an assembly error not a design flaw”
“Seems like a quality wrench just be careful you dont get a lemon”
Top return reasons
Common questions
- Is 1 5/8 wrench profitable to sell on Amazon United States?
- The niche generates $64K/yr across 18 tracked products. 90-day search growth is -11.4%. Flapen's verdict: Skip it (44/100).
- How competitive is the 1 5/8 wrench niche?
- 14 brands and 66 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 78% of demand.
- What do buyers complain about in 1 5/8 wrench?
- Top complaints mined from reviews: Size-Overall, Assembly/Installation, Quality-Overall. The return rate is 1.8%.
- What does it cost to enter the 1 5/8 wrench niche?
- Listings span $7.80–$103.13; the average listing price is $39.89 (sweet spot $15–$100). The average incumbent carries 1,354 reviews — the moat a new listing must climb.