metric open end wrench set
Skip itA small market ($22K/yr) — this niche doesn't clear our bar today.
Avg price
Incredible$39.99avg listing price — sweet spot $15–$100
Price range
Incredible$16.54–$89.71cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Good2.0%return rate — above 5% kills the launch gate
Review moat
Okay1,610.55avg incumbent reviews — the moat a new listing must climb
Competition
Okay61%top-5 click share — leaders hold, buyers still browse
Conversion
Okay2.2%search→purchase rate — share of searches ending in a sale
Growth
Bad-2.4%90-day search growth — must beat 0% to launch
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Market size
Bad$22K$22K/yr · 25K searches
Brand share
Bad98%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, metric open end wrench set is a $22K/yr Amazon United States market (25K searches/yr). The top 5 brands hold 98% of demand. Demand peaks in Dec. Verdict: Skip it — 35/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
metric open end wrench set market data
- Units sold / yr
- 750–1K
- avg 0–100/product
- Revenue / yr
- $30K–$40K
- units × avg price
- Conversion rate
- 2.2%
- Avg BSR
- #521
- Page quality
- 0%
- Prime
- 86%
- Sponsored
- 36%
- Out of stock
- 0.0%
- Avg brand age
- 58 months
- Avg seller age
- 150 days
Competition & brand share
The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.Brands
7 rising
Sellers
39
Top-5 brand share
98%
Top 20: 100%
Top-5 click share
61%
Top 20: 98%
Open market
1%
- CRAFTSMAN78%
- EFFICERE10%
- SEDY4%
- Amazon Basics3%
- HITORK2%
- DURATECH1%
- Open — no brand owns it (1 brand, 1%)
Demand & seasonality
Weekly Amazon search volume, last 95 weeks — -2.4% search growth over the last 90 days.Peak months: Dec · busiest ÷ quietest = 1.6×
Top metric open end wrench set search terms
- craftsman metric wrench set13K/yr
- metric open end wrench set6K/yr
- craftsman wrench set metric4K/yr
- metric wrench set 6-24mm1K/yr
- craftsman metric wrenches set384/yr
Top metric open end wrench set 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 22 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
CRAFTSMAN Wrench Set Metric 15Piece (CMMT12066)
CRAFTSMAN$55.234.7★310 rev
CRAFTSMAN MM WRENCH SET IN POUCH 7PC (CMMT21086)
CRAFTSMAN$16.544.8★502 rev
CRAFTSMAN Combination Wrench Set Metric 20 Piece (CMMT12068)
CRAFTSMAN$67.244.6★275 rev
CRAFTSMAN Combination Wrench Set Metric 7-Piece (CMMT87015)
CRAFTSMAN$25.204.8★100 rev
CRAFTSMAN OVERDRIVE 11-Piece Metric Wrench Set (CMMT87811)
CRAFTSMAN$54.634.8★101 rev
Newest
by launch date
15-Piece Metric Combination Wrench Set 822mm 12-Point Open End and Box End Wrench Kit with Organizer Chrome Vanadium Steel Tools for Mechanics Garages and Workshops
SEDY$24.8464 rev
CRAFTSMAN Ratchet Wrenches Set 20 Pc 90 Tooth SAE/Metric Ratcheting Wrench Set with Case 4 Degree Arc Swing (CMMT87220)
CRAFTSMAN$72.53559 rev
HITORK 19 Piece Metric Combination Wrench Set (624mm) Cr-V Steel Mirror Chrome Finish 12-Point Box End 15 Offset Roll-Up Pouch Durable Open End Wrench Set for Home Garage & Auto Repair
HITORK$31.76345 rev
CRAFTSMAN OVERDRIVE 11-Piece Metric Wrench Set (CMMT87811)
CRAFTSMAN$54.63101 rev
CRAFTSMAN OVERDRIVE 7-Piece Metric Wrench Set (CMMT87807)
CRAFTSMAN$30.9355 rev
Trending
90-day click momentum15-Piece Metric Combination Wrench Set 822mm 12-Point Open End and Box End Wrench Kit with Organizer Chrome Vanadium Steel Tools for Mechanics Garages and Workshops
SEDY$24.844.4★
CRAFTSMAN Combination Wrench Set Metric 7-Piece (CMMT87015)
CRAFTSMAN$25.204.8★
Amazon Basics 72-Tooth Ratcheting Combination Wrench Set Chrome Vanadium Steel Flex Head 5-Piece Metric 180 Flexible
Amazon Basics$16.814.5★
HITORK 19 Piece Metric Combination Wrench Set (624mm) Cr-V Steel Mirror Chrome Finish 12-Point Box End 15 Offset Roll-Up Pouch Durable Open End Wrench Set for Home Garage & Auto Repair
HITORK$31.764.7★
CRAFTSMAN Ratchet Wrenches Set 20 Pc 90 Tooth SAE/Metric Ratcheting Wrench Set with Case 4 Degree Arc Swing (CMMT87220)
CRAFTSMAN$72.534.8★
What buyers say about metric open end wrench set
What buyers praise and complain about, mined from review topics.What buyers love
“Quality set for the price”
“Price is affordable”
“Very durable”
“The sizing appears accurate across the full set”
“Work as advertised”
“And the case is sturdy”
“Work with ease”
“is a quality set with comfortable grips”
“The material feels durable”
“Great wrenches”
What buyers complain about
“Bad sizing”
“No quality control”
“Falls apart with very limited use”
“I dont think it was new”
“If you try to do to heavey of a pull ratched will slip or strip out”
“Thin is in”
“These wrenches are starting to rust just hanging out in my tool box”
“Picture is misleading”
“No wonder they were that cheap”
“the black racheting mechanism in the box end popped out”
Top return reasons
Common questions
- Is metric open end wrench set profitable to sell on Amazon United States?
- The niche generates $22K/yr across 22 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -2.4%. Flapen's verdict: Skip it (35/100).
- How competitive is the metric open end wrench set niche?
- 7 brands and 39 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 98% of demand.
- What do buyers complain about in metric open end wrench set?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Durability. The return rate is 2.0%.
- When does demand for metric open end wrench set peak?
- Demand peaks in Dec; the busiest month runs 1.6× the quietest.
- What does it cost to enter the metric open end wrench set niche?
- Listings span $16.54–$89.71; the average listing price is $39.99 (sweet spot $15–$100). The average incumbent carries 1,611 reviews — the moat a new listing must climb.