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12.7 9.5 変換

pricing outside the sweet spot ($730.84 avg) — 12.7 9.5 変換 doesn't clear our bar today.

Flapen Score

44
Skip it

Ranks 3,842 of 4,191 DIY・工具・ガーデン niches · −13 vs the category median of 57

Market size 68Growth 18Conversion 78Competition 18Returns 98Price range 0Avg price 0Brand share 10Review moat 66Quality gap 62
This niche Category average · 4,191 niches

Is 12.7 9.5 変換 profitable on Amazon?

According to Flapen's Amazon Japan niche tracking, 12.7 9.5 変換 is a ¥700K/yr Amazon Japan market (12K searches/yr). The top 5 brands hold 96% of demand. Demand peaks in Apr–May–Jun. Verdict: Skip it — 44/100.

12.7 9.5 変換: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -14.1% over the last 90 days and 7.8% of searches end in a purchase.

¥700K

revenue / yr

Units sold / yr1K
Search volume / yr-14.1%12K
Conversion rate7.8%
Avg price¥730.84

Who owns the niche?

The top 5 brands hold 96% of demand, so 4% of the market is open.

4%

open market share

Brands · sellers7 · 50
Top-5 product click share79%
Open market4%
Avg brand age69 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.4★ — the gap to enter on.

0/100

page quality · 12 products

Sponsored placement58%
New entrants (1y)0· 0 succeeded
Avg rating4.4★
Avg reviews854

Top 12.7 9.5 変換 products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.

¥0¥70K¥140K¥210K¥280K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

7 falling

Sellers

50

Top-5 brand share

96%

Top 20: 100%

Top-5 click share

79%

Top 20: 100%

Open market

2%

  • トネ(TONE)59%
  • SK11(エスケー11)15%
  • WORKPRO12%
  • サンドリー(Sundry)6%
  • HAODEOO4%
  • 京都機械工具(KTC)2%
  • Open — no brand owns it (1 brand, 2%)

12.7 9.5 変換 demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume12KCVR7.8%Products12Brands7Top 5 Brands96%OOS Rate0.0%Rating4.4★Reviews854Avg BSR#16
400300Spike '24Holiday '24Spike '25Black Friday '25Spike '26Prime Day '26SepDecMarJunAugNovMarMay

Peak months: Apr, May, Jun · busiest ÷ quietest = 1.9×

Top 12.7 9.5 変換 search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • 12.7 9.5 変換ソケット3K/yr
  • 3/8 1/2 変換5K/yr
  • 1/2 3/8 変換ソケット4K/yr

What reviews say buyers love and hate about 12.7 9.5 変換

What buyers mention most, as a share of all reviews.

What buyers love

90% of reviews
使用の容易さ32%

使えます

コストパフォーマンス18%

コスパが良い

総合品質18%

品質良し. 特に問題なく使用しております。派手さは無いですが、品質も良く信頼できる老舗ブランド。価格も割とリーズナブルに感じます。

サイズ全体7%

サイズ

コネクタ/ポート/プラグ4%

便利なソケットです。

What buyers complain about

73% of reviews
総合品質18%

安くてとりあえず全然使える

機能全体14%

はめたら外れなくなっちゃった。

漏れ防止9%

エアーコンプレッサのオイルゲージからオイルが少し漏れてました。

強さ9%

ソケットを止めるボールが弱い。

使用の容易さ9%

ちょっと外しにくかったです。

12.7 9.5 変換 return rate & reasons

Why buyers send it back, as a share of all return requests.

0.3%

Return rate

0%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1不良材料/部品
28%
2サイズ全体
22%
3使用の容易さ
14%
4強さ
8%
5コネクタ/ポート/プラグ
6%

Common 12.7 9.5 変換 questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores 12.7 9.5 変換 44/100 on Amazon Japan — Skip it. The niche generates ¥700K/yr across 12 tracked products. Search demand moved -14.1% over the last 90 days.
Search demand for 12.7 9.5 変換 on Amazon Japan peaks in Apr–May–Jun, where the busiest month runs 1.9× the quietest.