---
title: "Circular Knitting Needles Size 4 — $38K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/arts-crafts-sewing/circular-knitting-needles-size-4"
last_updated: "2026-08-10T00:13:21.943Z"
locale: en
meta:
description: "Niche score 39/100 · $38K/yr market · 28K searches/yr · $10.36 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 39/100 · $38K/yr market · 28K searches/yr · $10.36 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Circular Knitting Needles Size 4 — $38K/yr Amazon US Niche (2026) - Flapen"
---
# **circular knitting needles size 4**
**Skip it**
Soft demand (-45.7% this quarter) — this niche doesn't clear our bar today.
Market size 10Growth 2Conversion 96Competition 52Returns 78Price range 34Avg price 36Brand share 32Review moat 67Quality gap 24
**Conversion**
**Incredible****13.4%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Great****1.9%**
return rate — above 5% kills the launch gate
**Review moat**
**Good****831.72**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Good****54%**
top-5 click share — leaders hold, buyers still browse
**Avg price**
**Okay****$10.36**
avg listing price — sweet spot $15–$100
**Price range**
**Okay****$5.38–$19.96**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Okay****86%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Market size**
**Bad****$38K**
$38K/yr · 28K searches
**Growth**
**Bad****-45.7%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, circular knitting needles size 4 is a $38K/yr Amazon United States market (28K searches/yr). The top 5 brands hold 86% of demand. Verdict: Skip it — 39/100.
Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **circular knitting needles size 4 market data**
- **Units sold / yr**
- **4K–5K**
- avg 100–250/product
- **Revenue / yr**
- **$41K–$52K**
- units × avg price
- **Conversion rate**
- **13.4%**
- **Avg BSR**
- **#204**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **81%**
- **Out of stock**
- **4.0%**
- **Avg brand age**
- **56 months**
- **Avg seller age**
- **187 days**
## **Competition & brand share**
The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**14 **▲rising
**Sellers**
**62**
**Top-5 brand share**
**86%**
Top 20: 100%
**Top-5 click share**
**54%**
Top 20: 90%
**Open market**
**10%**
- Clover29% - ChiaoGoo25% - forebile23% - Mdoker5% - KnitPro4% - BsHooker4% - Open — no brand owns it (8 brands, 10%)
## **Demand**
Weekly Amazon search volume, last 21 weeks — -45.7% search growth over the last 90 days.
700500Feb '26Mar '26Mar '26Apr '26May '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/us/arts-crafts-sewing/circular-knitting-needles-size-4/trend)
## **Top circular knitting needles size 4 search terms**
- **circular knitting needles size 4**5K/yr-54.0%14.0% conv. - **size 4 knitting needles**4K/yr-32.0%9.6% conv. - **size 4 circular knitting needles**3K/yr-29.7%12.8% conv. - **knitting needles size 4**3K/yr-40.3%8.5% conv. - **3.5 mm knitting needles circular**3K/yr-40.5%11.8% conv. - **size 4 knitting needles circular**3K/yr-46.0%18.7% conv. - **us 4 circular knitting needles**3K/yr-57.3%14.6% conv. - **size 4 circular knitting needles 16 inch**2K/yr-55.8%21.7% conv. [**All search terms **](https://flapen.com/research/us/arts-crafts-sewing/circular-knitting-needles-size-4/search-terms)
## **Top circular knitting needles size 4 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%4%$2K8%$3K12%$5K16%$6K101001K10K 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**Size 4 Stainless Steel Circular Knitting Needles 16 Inch 3.5 mm Set Round Metal (Silver 16 inch-4-(3.5mm))**forebile**$6.09**4.6★334 rev](https://www.amazon.com/dp/B0F43NLBRS) [2**Clover Takumi Bamboo Circular Knitting Needles 24-inch-Size 4/3.5mm Other Multicoloured 2.5 x 9.36 x 23.18 cm**Clover**$8.25**4.7★395 rev](https://www.amazon.com/dp/B000WZ6P0W) [3**Clover 3016/16-04 Takumi Bamboo Circular 16-Inch Knitting Needles Size 4**Clover**$8.38**4.8★379 rev](https://www.amazon.com/dp/B000WZ4MFC) [4**ChiaoGoo SS Red Lace Circular 40-Inch (100 cm) US 4 (3.5 mm)**ChiaoGoo**$13.90**4.8★7,678 rev](https://www.amazon.com/dp/B00DX87LNU) [5**Size 4/3.5mm Circular Knitting Needles 40 Inch/100cm Knitting Needles for Beginners Metal Round Knitting Needle Set with 9 Yarn Needle (Blue 40-inch-US-4(3.5mm))**forebile**$7.98**4.6★117 rev](https://www.amazon.com/dp/B0FNCK9PFV)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Circular Knitting Needles 16 inch (40cm) - US Size 4 (3.5mm) Stainless Steel Round Knitting Needles for Hats Socks & Baby Booties**Stithoo**$5.38**25 rev3mo ago](https://www.amazon.com/dp/B0GTV8QMV6) [**Soosui 3.5mm Circular Knitting Needles US4|32 inches/80 Centimeters Long | Circular Knitting Needle Made of Metal Suitable for Weaving Scarves Blankets etc.**Soosui**$6.01**97 rev8mo ago](https://www.amazon.com/dp/B0FSZB1RRP) [**Size 4/3.5mm Circular Knitting Needles 40 Inch/100cm Knitting Needles for Beginners Metal Round Knitting Needle Set with 9 Yarn Needle (Blue 40-inch-US-4(3.5mm))**forebile**$7.98**117 rev10mo ago](https://www.amazon.com/dp/B0FNCK9PFV) [**Aolfior Stainless Steel Circular Knitting Needles Size 4 16 Inch 3.5 mm Set Round Metal (Silver 16 inch-4-(3.5mm)) Suitable for Beginners and Experienced Knitters Alike.**Aolfior**$5.92**109 rev1y ago](https://www.amazon.com/dp/B0FD7MCKCC) [**HARFINGTON Size US 4 (3.5mm) Bamboo Circular Knitting Needle 32 inch Round Carbonized Wooden Needle for Handmade Projects DIY Knitting Blankets Socks Hats Sweaters**HARFINGTON**$6.55**122 rev1y ago](https://www.amazon.com/dp/B0F9W9TNX1)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Circular Knitting Needles 16 inch (40cm) - US Size 4 (3.5mm) Stainless Steel Round Knitting Needles for Hats Socks & Baby Booties**Stithoo**$5.38**4.8★**▲ 443%**](https://www.amazon.com/dp/B0GTV8QMV6) [**HARFINGTON Size US 4 (3.5mm) Bamboo Circular Knitting Needle 32 inch Round Carbonized Wooden Needle for Handmade Projects DIY Knitting Blankets Socks Hats Sweaters**HARFINGTON**$6.55**4.2★**▲ 234%**](https://www.amazon.com/dp/B0F9W9TNX1) [**Mdoker Bamboo Knitting Needle Straight Single Pointed Sweater Knitting Needles 13.8-inch Length for Handmade DIY Knitting Projects Size US 4(3.5mm)**Mdoker**$6.34**4.0★**▲ 172%**](https://www.amazon.com/dp/B09PJB4R36) [**KnitPro Dreamz Interchangeable Circular Needles 5 (13cm) | US Size 4 (3.5mm)**KnitPro**$11.78**4.5★**▲ 170%**](https://www.amazon.com/dp/B0D766N57C) [**ChiaoGoo SS Red Lace Circular 32-Inch (80 cm) US 4 (3.5 mm)**ChiaoGoo**$13.50**4.8★**▲ 149%**](https://www.amazon.com/dp/B00DX88MYM)
**~~View all trending →~~**
## **What buyers say about circular knitting needles size 4**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**25%
*“Very well made”*
**Advertised Vs Actual Product**15%
*“As advertised”*
**Stitch/Finish/Polish**11%
*“Smooth stitching”*
**Soft Feel**10%
*“Until now it was quite nice, smooth”*
**Ease Of Use**5%
*“Easy To Use”*
**Embellishment/Embroidery Quality**5%
*“Awesome knitting needles”*
**Size-Overall**4%
*“Right size”*
**Grip**4%
*“Slide well”*
**Durability**4%
*“I have never had one fail or break”*
**Value For Money**3%
*“Great value”*
### **What buyers complain about **
**Durability**50%
*“Broke immediately”*
**Size-Overall**22%
*“Wrongly sized”*
**Hard Feel**11%
*“They are rough in the ends”*
**Quality-Overall**11%
*“it appears to be a cheap product”*
### **Top return reasons **
**Size-Overall**56%
**Advertised Vs Actual Product**9%
**Quality-Overall**7%
**Defective Material/Parts**6%
**Value For Money**5%
**Material Quality**5%
**Color**3%
**Functionality-Overall**2%
**Shape/Style**1%
**Measurement/Reading Accuracy**1%
## **Common questions**
- **Is circular knitting needles size 4 profitable to sell on Amazon United States?**
- The niche generates $38K/yr across 32 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is -45.7%. Flapen's verdict: Skip it (39/100).
- **How competitive is the circular knitting needles size 4 niche?**
- 14 brands and 62 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 86% of demand.
- **What do buyers complain about in circular knitting needles size 4?**
- Top complaints mined from reviews: Durability, Size-Overall, Hard Feel. The return rate is 1.9%.
- **What does it cost to enter the circular knitting needles size 4 niche?**
- Listings span $5.38–$19.96; the average listing price is $10.36 (sweet spot $15–$100). The average incumbent carries 832 reviews — the moat a new listing must climb.
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