---
title: "Products — 10mm レンチ - Flapen"
canonical_url: "https://flapen.com/research/jp/diy/10mm/products"
last_updated: "2026-08-08T10:13:25.646Z"
locale: en
meta:
  description: "Niche score 63/100 · ¥2.3M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 63/100 · ¥2.3M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Products — 10mm レンチ - Flapen"
---

# **10mm レンチ**

**Worth a look**

Shows low returns (0.5%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 95Growth 24Conversion 62Competition 74Returns 97Price range 0Avg price 0Brand share 73Review moat 55Quality gap 77

**Returns**

**Incredible****0.5%**

return rate — above 5% kills the launch gate

**Market size**

**Incredible****¥2.3M**

¥2.3M/yr · 53K searches

**Quality gap**

**Great****4.3★**

avg incumbent rating — lower means beatable quality

**Competition**

**Good****41%**

top-5 click share — leaders hold, buyers still browse

**Brand share**

**Good****61%**

top-5 brand share — brands hold most of the demand

**Conversion**

**Good****5.5%**

search→purchase rate — share of searches ending in a sale

**Review moat**

**Good****1,307.89**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Bad****-2.3%**

90-day search growth — must beat 0% to launch

**Avg price**

**Bad****¥785.29**

avg listing price — sweet spot $15–$100

**Price range**

**Bad****¥268.37–¥3420.05**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Signals**[** High Price**](https://flapen.com/research/niches?market=jp&signal=high_price "Avg price > $50")

## Products