---
title: "Sinker Molds — $83K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/sports-outdoors/sinker-molds"
last_updated: "2026-08-11T21:42:59.864Z"
locale: en
meta:
description: "Niche score 49/100 · $83K/yr market · 316K searches/yr · $37.53 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 49/100 · $83K/yr market · 316K searches/yr · $37.53 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Sinker Molds — $83K/yr Amazon US Niche (2026) - Flapen"
---
# **sinker molds**
**Skip it**
Weak search conversion (0.7%) — this niche doesn't clear our bar today.
Market size 21Growth 59Conversion 9Competition 37Returns 82Price range 85Avg price 95Brand share 37Review moat 94Quality gap 52
**Avg price**
**Incredible****$37.53**
avg listing price — sweet spot $15–$100
**Review moat**
**Great****117.3**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Great****$8.17–$62.67**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Great****1.6%**
return rate — above 5% kills the launch gate
**Growth**
**Good****+34.6%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****63%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****83%**
top-5 brand share — brands hold most of the demand
**Market size**
**Bad****$83K**
$83K/yr · 316K searches
**Conversion**
**Bad****0.7%**
search→purchase rate — share of searches ending in a sale
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United States niche tracking, sinker molds is a $83K/yr Amazon United States market (316K searches/yr). The top 5 brands hold 83% of demand. Demand peaks in May–Jun. Verdict: Skip it — 49/100.
Data updated Jul 23, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **sinker molds market data**
- **Units sold / yr**
- **2K–3K**
- avg 0–100/product
- **Revenue / yr**
- **$75K–$94K**
- units × avg price
- **Conversion rate**
- **0.7%**
- **Avg BSR**
- **#410**
- **Page quality**
- **0%**
- **Prime**
- **95%**
- **Sponsored**
- **95%**
- **Out of stock**
- **6.5%**
- **Avg brand age**
- **53 months**
- **Avg seller age**
- **168 days**
## **Competition & brand share**
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**12 **▼falling
**Sellers**
**18**
**Top-5 brand share**
**83%**
Top 20: 100%
**Top-5 click share**
**63%**
Top 20: 100%
**Open market**
**13%**
- MOPHOEXII44% - Cyiwniao12% - EUPHENG11% - Generic10% - Adygil7% - Molten Masters4% - Open — no brand owns it (6 brands, 13%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +34.6% search growth over the last 90 days.
10K6KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: May, Jun · busiest ÷ quietest = 1.9×
[**Open Trend **](https://flapen.com/research/us/sports-outdoors/sinker-molds/trend)
## **Top sinker molds search terms**
- **fishing weight molds**44K/yr+39.2%0.5% conv. - **sinker molds**44K/yr+28.2%0.6% conv. - **lead molds**29K/yr+88.4%0.1% conv. - **sinker molds for fishing**31K/yr+32.8%0.4% conv. - **do it molds**21K/yr-7.5%0.2% conv. - **lead weight molds**15K/yr+51.4%0.4% conv. - **lead molds for fishing weights**15K/yr+12.3%0.5% conv. - **lead sinker molds**13K/yr+45.9%0.4% conv. - **sinker mold**13K/yr+45.3%0.5% conv. - **fishing sinker molds**13K/yr+49.0%0.5% conv. [**All search terms **](https://flapen.com/research/us/sports-outdoors/sinker-molds/search-terms)
## **Top sinker molds 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%10%$8K20%$17K30%$25K40%$33K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 20 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**MOPHOEXII Bank Sinker Lead Mold with 2.1LB Lead Sheet Fishing Weight Molds with 3 Mold Cavities 4 oz 5 oz 6 oz Without Handle**MOPHOEXII**$47.88**4.4★103 rev](https://www.amazon.com/dp/B0FG29JL2Q) [2**MOPHOEXII Bank Sinker Lead Mold with 2.1LB Lead Sheet Fishing Weight Molds with 5 Mold Cavities 1 oz 2 oz 3 oz Without Handle**MOPHOEXII**$38.54**4.4★103 rev](https://www.amazon.com/dp/B0FG2C63QT) [3**Eupheng Bank Sinker Mold with 5 Cavities 1 oz / 2 oz / 3 oz Fishing Weight Mold for DIY Lead Sinkers**EUPHENG**$20.61**4.4★18 rev](https://www.amazon.com/dp/B0GJZ91BJB) [4**Cyiwniao Sinker Mold 1.2.3-Ounce with 5 Cavities Fishing Weight Molds Sinker Molds for Fishing Fishing Casting**Cyiwniao**$26.76**4.5★106 rev](https://www.amazon.com/dp/B0D9QMVB2L) [5**Dimatteo Fishing No Roll Sinker Mold Kits 1oz 1.5oz 2oz 3oz 4 Cavities**Generic**$51.59**4.3★76 rev](https://www.amazon.com/dp/B0BLSDCMR8)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Eupheng Bank Sinker Mold with 5 Cavities 1 oz / 2 oz / 3 oz Fishing Weight Mold for DIY Lead Sinkers**EUPHENG**$20.61**18 rev5mo ago](https://www.amazon.com/dp/B0GJZ91BJB) [**Otoolling Soft Plastic Mold Lure Making Injection Molds Fishing Lures 5 Three-Cavity Aluminum Quality Soft Plastic Molds Bait Making Injection Mold for Anglers Fishing Lovers**Otoolling**$62.67**4 rev7mo ago](https://www.amazon.com/dp/B0G6BWYVZR) [**AceOrbit 3 Pack Sinker Molds Fishing Weight Molds 1.2. 3-Ounce 5 Cavities with 2 Pack 3 Inches Woodworking Clamp for Outdoor Sea Fishing Activities**AceOrbit**$26.98**14 rev1y ago](https://www.amazon.com/dp/B0FH6WLSWF) [**MOPHOEXII Bank Sinker Lead Mold with 2.1LB Lead Sheet Fishing Weight Molds with 3 Mold Cavities 4 oz 5 oz 6 oz Without Handle**MOPHOEXII**$47.88**103 rev1y ago](https://www.amazon.com/dp/B0FG29JL2Q) [**MOPHOEXII Bank Sinker Lead Mold with 2.1LB Lead Sheet Fishing Weight Molds with 5 Mold Cavities 1 oz 2 oz 3 oz Without Handle**MOPHOEXII**$38.54**103 rev1y ago](https://www.amazon.com/dp/B0FG2C63QT)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Eupheng Bank Sinker Mold with 5 Cavities 1 oz / 2 oz / 3 oz Fishing Weight Mold for DIY Lead Sinkers**EUPHENG**$20.61**4.4★**▲ 130%**](https://www.amazon.com/dp/B0GJZ91BJB) [**Otoolling Soft Plastic Mold Lure Making Injection Molds Fishing Lures 5 Three-Cavity Aluminum Quality Soft Plastic Molds Bait Making Injection Mold for Anglers Fishing Lovers**Otoolling**$62.67**5.0★**▲ 117%**](https://www.amazon.com/dp/B0G6BWYVZR) [**MOPHOEXII Bank Sinker Lead Mold with 2.1LB Lead Sheet Fishing Weight Molds with 3 Mold Cavities 4 oz 5 oz 6 oz Without Handle**MOPHOEXII**$47.88**4.4★**▲ 48%**](https://www.amazon.com/dp/B0FG29JL2Q) [**MOPHOEXII Bank Sinker Lead Mold with 2.1LB Lead Sheet Fishing Weight Molds with 5 Mold Cavities 1 oz 2 oz 3 oz Without Handle**MOPHOEXII**$38.54**4.4★**— 10%**](https://www.amazon.com/dp/B0FG2C63QT) [**adygil Adygil Fishing No Roll Sinker Mold Kits 1oz 1.5oz 2oz 3oz 4 Cavities silver standard**Adygil**$49.87**4.4★**— 5%**](https://www.amazon.com/dp/B09LC8YMXX)
**~~View all trending →~~**
## **What buyers say about sinker molds**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**31%
*“The product was pretty”*
**Ease Of Use**14%
*“Easy to use”*
**Value For Money**11%
*“The advertised price is pretty competitive”*
**Advertised Vs Actual Product**9%
*“exactly as advertised”*
**Size-Overall**6%
*“The sizes are accurate”*
**Efficiency**4%
*“Works great”*
**Durability**4%
*“is well built”*
**Functionality-Overall**2%
*“Worked great made up about 100 sinker without any problem”*
**Safety Standards**2%
*“Safety first”*
**Heating**2%
*“Works great after it warms up”*
### **What buyers complain about **
**Advertised Vs Actual Product**15%
*“I gave this item one star because I felt the description was misleading”*
**Size-Overall**12%
*“Wrong size”*
**Quality-Overall**9%
*“The build quality feels cheap”*
**Heating**9%
*“Heating Element Burned Out on First Use”*
**Leak-Proof**8%
*“The mold leaking over to the other side shortly after using just a few times don't know what's causing this”*
**Value For Money**8%
*“Should be a little cheaper”*
**Rusts/Corrodes**8%
*“oxidization become significant hazards”*
**Durability**6%
*“Broke after about 5 uses”*
**Ease Of Use**5%
*“hard to handle”*
**Weight Heavy**5%
*“Too heavy to work with”*
### **Top return reasons **
**Size-Overall**40%
**Advertised Vs Actual Product**13%
**Defective Material/Parts**13%
**Functionality-Overall**10%
**Product Condition**3%
**Value For Money**3%
**Heating**3%
**Quality-Overall**2%
**Durability**2%
**Weight Heavy**2%
## **Common questions**
- **Is sinker molds profitable to sell on Amazon United States?**
- The niche generates $83K/yr across 20 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +34.6%. Flapen's verdict: Skip it (49/100).
- **How competitive is the sinker molds niche?**
- 12 brands and 18 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 83% of demand.
- **What do buyers complain about in sinker molds?**
- Top complaints mined from reviews: Advertised Vs Actual Product, Size-Overall, Quality-Overall. The return rate is 1.6%.
- **When does demand for sinker molds peak?**
- Demand peaks in May–Jun; the busiest month runs 1.9× the quietest.
- **What does it cost to enter the sinker molds niche?**
- Listings span $8.17–$62.67; the average listing price is $37.53 (sweet spot $15–$100). The average incumbent carries 117 reviews — the moat a new listing must climb.
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