---
title: "Metric Open End Wrench Set — $22K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/metric-open-end-wrench-set"
last_updated: "2026-08-08T23:57:18.629Z"
locale: en
meta:
description: "Niche score 35/100 · $22K/yr market · 25K searches/yr · $39.99 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 35/100 · $22K/yr market · 25K searches/yr · $39.99 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Metric Open End Wrench Set — $22K/yr Amazon US Niche (2026) - Flapen"
---
# **metric open end wrench set**
**Skip it**
A small market ($22K/yr) — this niche doesn't clear our bar today.
Market size 6Growth 24Conversion 28Competition 39Returns 74Price range 95Avg price 95Brand share 6Review moat 49Quality gap 21
**Avg price**
**Incredible****$39.99**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$16.54–$89.71**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Good****2.0%**
return rate — above 5% kills the launch gate
**Review moat**
**Okay****1,610.55**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Okay****61%**
top-5 click share — leaders hold, buyers still browse
**Conversion**
**Okay****2.2%**
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**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Market size**
**Bad****$22K**
$22K/yr · 25K searches
**Brand share**
**Bad****98%**
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 ~~](https://flapen.com/research/methodology)
## **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.
800600Holiday '24Spike '25Prime Day '25Black Friday '25 seasonDecMarJunAugNovMarMay
Peak months: Dec · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/metric-open-end-wrench-set/trend)
## **Top metric open end wrench set search terms**
- **craftsman metric wrench set**13K/yr-7.1%2.5% conv. - **metric open end wrench set**6K/yr+12.2%2.8% conv. - **craftsman wrench set metric**4K/yr-12.1%1.9% conv. - **metric wrench set 6-24mm**1K/yr+2.0%0.5% conv. - **craftsman metric wrenches set**384/yr+29.6%2.9% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/metric-open-end-wrench-set/search-terms)
## **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.
0%10%$2K20%$4K30%$7K40%$9K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 22 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**CRAFTSMAN Wrench Set Metric 15Piece (CMMT12066)**CRAFTSMAN**$55.23**4.7★310 rev](https://www.amazon.com/dp/B07QJ2TL7V) [2**CRAFTSMAN MM WRENCH SET IN POUCH 7PC (CMMT21086)**CRAFTSMAN**$16.54**4.8★502 rev](https://www.amazon.com/dp/B09D95B9MD) [3**CRAFTSMAN Combination Wrench Set Metric 20 Piece (CMMT12068)**CRAFTSMAN**$67.24**4.6★275 rev](https://www.amazon.com/dp/B07QH3NGW8) [4**CRAFTSMAN Combination Wrench Set Metric 7-Piece (CMMT87015)**CRAFTSMAN**$25.20**4.8★100 rev](https://www.amazon.com/dp/B08WTX2M6D) [5**CRAFTSMAN OVERDRIVE 11-Piece Metric Wrench Set (CMMT87811)**CRAFTSMAN**$54.63**4.8★101 rev](https://www.amazon.com/dp/B0CZ9H52T5)
**~~View all top sellers →~~**
### **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**$24.84**64 rev8mo ago](https://www.amazon.com/dp/B0FLXLJPFM) [**CRAFTSMAN Ratchet Wrenches Set 20 Pc 90 Tooth SAE/Metric Ratcheting Wrench Set with Case 4 Degree Arc Swing (CMMT87220)**CRAFTSMAN**$72.53**559 rev1y ago](https://www.amazon.com/dp/B0DPGJVJZV) [**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**$31.76**345 rev2y ago](https://www.amazon.com/dp/B0D3QCBD9V) [**CRAFTSMAN OVERDRIVE 11-Piece Metric Wrench Set (CMMT87811)**CRAFTSMAN**$54.63**101 rev2y ago](https://www.amazon.com/dp/B0CZ9H52T5) [**CRAFTSMAN OVERDRIVE 7-Piece Metric Wrench Set (CMMT87807)**CRAFTSMAN**$30.93**55 rev2y ago](https://www.amazon.com/dp/B0CWH7VGD9)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**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**$24.84**4.4★**▲ 147%**](https://www.amazon.com/dp/B0FLXLJPFM) [**CRAFTSMAN Combination Wrench Set Metric 7-Piece (CMMT87015)**CRAFTSMAN**$25.20**4.8★**▲ 88%**](https://www.amazon.com/dp/B08WTX2M6D) [**Amazon Basics 72-Tooth Ratcheting Combination Wrench Set Chrome Vanadium Steel Flex Head 5-Piece Metric 180 Flexible**Amazon Basics**$16.81**4.5★**▲ 76%**](https://www.amazon.com/dp/B07SYCY2SW) [**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**$31.76**4.7★**▲ 68%**](https://www.amazon.com/dp/B0D3QCBD9V) [**CRAFTSMAN Ratchet Wrenches Set 20 Pc 90 Tooth SAE/Metric Ratcheting Wrench Set with Case 4 Degree Arc Swing (CMMT87220)**CRAFTSMAN**$72.53**4.8★**▲ 58%**](https://www.amazon.com/dp/B0DPGJVJZV)
**~~View all trending →~~**
## **What buyers say about metric open end wrench set**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**32%
*“Quality set for the price”*
**Value For Money**22%
*“Price is affordable”*
**Durability**7%
*“Very durable”*
**Size-Overall**6%
*“The sizing appears accurate across the full set”*
**Advertised Vs Actual Product**5%
*“Work as advertised”*
**Strength**4%
*“And the case is sturdy”*
**Ease Of Use**4%
*“Work with ease”*
**Grip**3%
*“is a quality set with comfortable grips”*
**Material Quality**2%
*“The material feels durable”*
**Sharpness**2%
*“Great wrenches”*
### **What buyers complain about **
**Size-Overall**27%
*“Bad sizing”*
**Quality-Overall**20%
*“No quality control”*
**Durability**7%
*“Falls apart with very limited use”*
**Product Condition**6%
*“I dont think it was new”*
**Grip**4%
*“If you try to do to heavey of a pull ratched will slip or strip out”*
**Thickness**4%
*“Thin is in”*
**Rusts/Corrodes**3%
*“These wrenches are starting to rust just hanging out in my tool box”*
**Advertised Vs Actual Product**3%
*“Picture is misleading”*
**Value For Money**3%
*“No wonder they were that cheap”*
**Mechanism Issues**2%
*“the black racheting mechanism in the box end popped out”*
### **Top return reasons **
**Size-Overall**46%
**Value For Money**11%
**Quality-Overall**10%
**Advertised Vs Actual Product**8%
**Functionality-Overall**5%
**Mechanism Issues**3%
**Defective Material/Parts**3%
**Thin**2%
**Thickness**2%
**Product Condition**2%
## **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.
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