---
title: "Kds — ¥2.0M/yr Amazon JP Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/jp/diy/kds"
last_updated: "2026-08-08T07:47:07.306Z"
locale: en
meta:
description: "Niche score 51/100 · ¥2.0M/yr market · 58K searches/yr. Pricing outside the sweet spot ($4707.09 avg) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 51/100 · ¥2.0M/yr market · 58K searches/yr. Pricing outside the sweet spot ($4707.09 avg) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Kds — ¥2.0M/yr Amazon JP Niche (2026) - Flapen"
---
# **kds**
**Worth a look**
Shows a thin review moat (18 avg reviews), but pricing outside the sweet spot ($4707.09 avg) keeps it on the watch list.
Market size 95Growth 16Conversion 9Competition 68Returns 99Price range 0Avg price 0Brand share 1Review moat 99Quality gap 82
**Review moat**
**Incredible****18.17**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Incredible****0.3%**
return rate — above 5% kills the launch gate
**Market size**
**Incredible****¥2.0M**
¥2.0M/yr · 58K searches
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Competition**
**Good****44%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Bad****-18.4%**
90-day search growth — must beat 0% to launch
**Conversion**
**Bad****0.7%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Bad****99%**
top-5 brand share — brand-locked demand
**Avg price**
**Bad****¥4707.09**
avg listing price — sweet spot $15–$100
**Price range**
**Bad****¥441.33–¥103533.34**
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")
According to Flapen's Amazon Japan niche tracking, kds is a ¥2.0M/yr Amazon Japan market (58K searches/yr). The top 5 brands hold 99% of demand. Demand peaks in Nov. Verdict: Worth a look — 51/100.
Data updated Jul 31, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **kds market data**
- **Units sold / yr**
- **500–750**
- avg 0–100/product
- **Revenue / yr**
- **¥2.4M–¥3.5M**
- units × avg price
- **Conversion rate**
- **0.7%**
- **Avg BSR**
- **#329**
- **Page quality**
- **0%**
- **Prime**
- **88%**
- **Sponsored**
- **27%**
- **Out of stock**
- **0.6%**
- **Avg brand age**
- **60 months**
- **Avg seller age**
- **161 days**
## **Competition & brand share**
The top 5 products take 44% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**6 **▼falling
**Sellers**
**79**
**Top-5 brand share**
**99%**
Top 20: 100%
**Top-5 click share**
**44%**
Top 20: 82%
**Open market**
**0%**
- KDS84% - ノーブランド品13% - トラスコ中山(TRUSCO)2% - ムラテックケーディーエス(Muratec Kds)1% - Generic1% - Pacific Coast Sunglasses1%
## **Demand & seasonality**
Weekly Amazon search volume, last 69 weeks — -18.4% search growth over the last 90 days.
2K1KSpike '25Spike '26Prime Day '26 seasonAprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJul
Peak months: Nov · busiest ÷ quietest = 2.0×
[**Open Trend **](https://flapen.com/research/jp/diy/kds/trend)
## **Top kds search terms**
- **kds**22K/yr-17.6%0.4% conv. - **kds コンベックス**18K/yr-9.1%0.9% conv. - **コンベックス kds**6K/yr-27.0%0.7% conv. - **kds スケール**7K/yr-41.5%0.6% conv. - **ムラテックkds**4K/yr-1.8%0.4% conv. [**All search terms **](https://flapen.com/research/jp/diy/kds/search-terms)
## **Top kds 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%3%¥60K6%¥121K9%¥181K12%¥241K110100 Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**グランツ25巾5.5m 右基点目盛・厚爪ホルダー付 GZ2555RZ**KDS**¥3217.67**3.8★9 rev](https://www.amazon.co.jp/dp/B0F8HP9LWK) [2**グランツ25巾5.5m 右基点目盛・厚爪 GZ2555R**KDS**¥2669.40**4.7★8 rev](https://www.amazon.co.jp/dp/B0F8H94S1B) [3**KDS 剛立G25リミテッド 限定カラー 剛立厚イエローテープ JIS1級 強度UP厚爪 スケール コンベックス GTR-G2550LD3 (ローズピンク)**ノーブランド品**¥2918.18**4.6★3 rev](https://www.amazon.co.jp/dp/B0FV2YBHY1) [4**ムラテックケーディーエス(Murateckds) コンベックス GTR-G22550MZ**KDS**¥2583.86**3.7★20 rev](https://www.amazon.co.jp/dp/B07SLCKW3H) [5**ムラテックKDS ダブルジーV25巾5.5m GGV25-55**KDS**¥1449.21**4.2★57 rev](https://www.amazon.co.jp/dp/B00GRMLH2U)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**KDS 剛立G25リミテッド 限定カラー 剛立厚イエローテープ JIS1級 強度UP厚爪 スケール コンベックス GTR-G2550LD3 (ローズピンク)**ノーブランド品**¥2918.18**3 rev9mo ago](https://www.amazon.co.jp/dp/B0FV2YBHY1) [**KDS 剛立G25リミテッド 限定カラー 剛立厚イエローテープ JIS1級 強度UP厚爪 スケール コンベックス GTR-G2550LD3 (ライムグリーン)**ノーブランド品**¥2865.87**3 rev9mo ago](https://www.amazon.co.jp/dp/B0FV2Y56S4) [**グランツ25巾5.5m 右基点目盛・厚爪ホルダー付 GZ2555RZ**KDS**¥3217.67**9 rev1y ago](https://www.amazon.co.jp/dp/B0F8HP9LWK) [**グランツ25巾5.5m 右基点目盛・厚爪 GZ2555R**KDS**¥2669.40**8 rev1y ago](https://www.amazon.co.jp/dp/B0F8H94S1B) [**グランツ25巾5.5m 左基点目盛・厚爪ホルター付 GZ2555Z**KDS**¥3546.98**3 rev1y ago](https://www.amazon.co.jp/dp/B0F8HLX9TM)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**ムラテックケーディーエス(Muratec Kds) ムラテックKDS 耐久ネオロック16巾3.5m XS16-35N**KDS**¥1080.30**4.4★**▲ 89%**](https://www.amazon.co.jp/dp/B073XFQKGM) [**グランツ25巾5.5m 右基点目盛・厚爪 GZ2555R**KDS**¥2669.40**4.7★**▲ 86%**](https://www.amazon.co.jp/dp/B0F8H94S1B) [**ムラテックKDS ゼットヴイ25巾5.5mBKまさめ ZV25-55SBK**KDS**¥1449.26**3.9★**▲ 73%**](https://www.amazon.co.jp/dp/B00M1EN88Y) [**ムラテックKDS フリー16巾3.5m KF16-35**KDS**¥1006.22**4.2★**▲ 59%**](https://www.amazon.co.jp/dp/B000TGF1SQ) [**KDS ダブルジーエックス25巾7.5m GGX2575**トラスコ中山(TRUSCO)**¥2452.12**4.1★**▲ 58%**](https://www.amazon.co.jp/dp/B004OCOVK0)
**~~View all trending →~~**
## **What buyers say about kds**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**使用の容易さ**38%
*“使い勝手が良い。”*
**総合品質**15%
*“品質がしっかりしている”*
**軽い**12%
*“すごくいい. もう少し軽くなれば尚よし”*
**コストパフォーマンス**8%
*“コスパいい”*
**セキュリティ**8%
*“安心感のKDS”*
**耐久性**3%
*“テープはムラテックが長持ちする。”*
**デザイン全体**3%
*“デザインが素敵な為、機能面で惜しい感じがしました。”*
### **What buyers complain about **
**屋外での使用に適している**20%
*“外の現場作業には向かないかも。”*
**総合品質**20%
*“安いと思う”*
**商品の状態**10%
*“古くなってまた買いました。”*
**重い**7%
*“解除時のレバーがやや動きが重い”*
**使用の容易さ**7%
*“でもホルダー使いにくい。”*
**コストパフォーマンス**7%
*“安い”*
**ロック機構**7%
*“黄色のロックが不便”*
### **Top return reasons **
**重い**50%
**広告と実際の製品の違い**50%
## **Common questions**
- **Is kds profitable to sell on Amazon Japan?**
- The niche generates ¥2.0M/yr across 41 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -18.4%. Flapen's verdict: Worth a look (51/100).
- **How competitive is the kds niche?**
- 6 brands and 79 sellers compete. The top 5 products take 44% of clicks and top 5 brands hold 99% of demand.
- **What do buyers complain about in kds?**
- Top complaints mined from reviews: 屋外での使用に適している, 総合品質, 商品の状態. The return rate is 0.3%.
- **When does demand for kds peak?**
- Demand peaks in Nov; the busiest month runs 2.0× the quietest.
- **What does it cost to enter the kds niche?**
- Listings span ¥441.33–¥103533.34; the average listing price is ¥4707.09 (sweet spot $15–$100). The average incumbent carries 18 reviews — the moat a new listing must climb.
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