21mm ソケット
MaybeAn estimated 0.7% of orders come back. But products sell for $1065.81 on average, outside the sweet spot, so 21mm ソケット is a Maybe.
- Flapen Score
- 57 / 100Ranks 2,057 of 4,191 DIY・工具・ガーデン niches · on the category median57
- Market size
- ¥2.0M/yr29K searches / yr
- 90-day growth
- -44.1%search demand this quarter
- Competition
- 44%top-5 click share · 16 brands · 87 sellers
Flapen Score
21mm ソケット against its category
The dotted line is the DIY・工具・ガーデン average. Past it, 21mm ソケット is stronger. Inside it, weaker.
Market
The 21mm ソケット market on Amazon at a glance
Shoppers on Amazon Japan searched for 21mm ソケット 29K times last year and spent an estimated ¥2.0M. The top 5 brands take 75% of clicks. Demand peaks in Apr–Nov–Dec. Flapen scores it 57 out of 100, a Maybe.
01 · Demand
An estimated 6.6% of those searches ended in a purchase.
Shoppers searched for this 29K times in the last 12 months. That counts every search on Amazon Japan for this niche's terms. An estimated 6.6% of those searches ended in a purchase. Searches in the last 90 days moved -44.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated ¥2.0M a year.
- Searches, last 12 months
- 29K
- Growth, 90 days vs prior 90
- -44.1%
- Conversion, latest week
- 6.6%
- Market size, estimated
- ¥2.0Ma year
- Peak month
- December4.7× the quietest month
- Top search term
- 21mm ソケット11K searches a year
02 · Price
A sale here is worth ¥1065.81.
Listings sell for ¥1065.81 on average, from ¥407.86 to ¥3128.11. Amazon reports units sold in ranges. This niche sold 2K to 2K a year. The average listing sells 0 to 100 of them. At ¥1065.81 that is ¥0 to ¥107K a year per listing.
- Average price
- ¥1065.81above the $15 to $100 sweet spot
- Price range
- ¥407.86–¥3128.11
- Amazon Japan median price
- ¥1942.07across 14,733 niches
- Units sold a year
- 2K–2K
- Units per listing a year
- 0–100
- Revenue per listing a year
- ¥0–¥107K
- Returns
- 0.7%of orders · Amazon Japan median 0.4%
03 · Entry bar
The bar here is low.
48% of listings pay for placement with sponsored ads. 97% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #33 within 作業工具. It carries 515 reviews at 4.35 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 48%
- Prime listings
- 97%
- Out of stock, average day
- 0.0%
- Average rank
- #33in 作業工具
- Average rating
- 4.35 starsAmazon Japan average 4.15 stars
- Average reviews
- 515per listing
- Listings tracked
- 29
04 · Newcomers
1 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 91 months on average, so the names here are established.
- Launched, last 12 months
- 1
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 91 months
Products
Top 21mm ソケット products & what they sell for
Every tracked product: its share of the shelf, its reviews, and its price.
Sign in to see the products
The products selling in this niche are for signed-in readers. Every market figure above stays open to everyone.
Competition
Competition: brands, sellers & click share
The top 5 products take 44% of clicks. Leaders hold, but buyers still shop past them.
Brands
16 falling
Sellers
87
Top-5 brand share
75%
Top 20: 100%
Top-5 click share
44%
Top 20: 92%
Open market
25%
- Brand 132%
- Brand 212%
- Brand 38%
- Brand 48%
- Brand 57%
- Brand 67%
Demand
21mm ソケット search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Apr, Nov, Dec · busiest ÷ quietest = 4.7×
Search terms
Top 21mm ソケット search terms shoppers use
The exact words shoppers type, with yearly volume, growth, and conversion.
- 21mm ソケット11K/yr
- インパクト ソケット 21mm6K/yr
- 21ソケット3K/yr
- ソケット 21mm4K/yr
- 21mm ソケット インパクト4K/yr
Reviews and returns
What reviews say buyers love and hate about 21mm ソケット
We read the reviews and the return reasons for every product selling here.
“壊れた。”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
22 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
FAQ
Common 21mm ソケット questions
Answered from the same tracked data.




