---
title: "Long Lock — $107K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/long-lock"
last_updated: "2026-08-05T21:22:42.492Z"
locale: en
meta:
  description: "Niche score 53/100 · $107K/yr market · 105K searches/yr · $14.32 avg price. A small market ($107K/yr) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 53/100 · $107K/yr market · 105K searches/yr · $14.32 avg price. A small market ($107K/yr) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Long Lock — $107K/yr Amazon US Niche (2026) - Flapen"
---

# **long lock**

**Worth a look**

Shows searches that convert (7.1% search→purchase), but a small market ($107K/yr) keeps it on the watch list.

Market size 26Growth 50Conversion 75Competition 66Returns 56Price range 72Avg price 69Brand share 43Review moat 49Quality gap 47

**Conversion**

**Great****7.1%**

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

**Price range**

**Good****$7.38–$35.04**

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

**Avg price**

**Good****$14.32**

avg listing price — sweet spot $15–$100

**Competition**

**Good****46%**

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

**Returns**

**Good****2.8%**

return rate — above 5% kills the launch gate

**Growth**

**Good****+20.8%**

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

**Review moat**

**Okay****1,607.19**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Okay****79%**

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

**Market size**

**Okay****$107K**

$107K/yr · 105K searches

According to Flapen's Amazon United States niche tracking, long lock is a $107K/yr Amazon United States market (105K searches/yr). The top 5 brands hold 79% of demand. Verdict: Worth a look — 53/100.

Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **long lock market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**6K–8K**</dd><dd>avg 100–250/product</dd>

<dt>**Revenue / yr**</dt><dd>**$86K–$115K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**7.1%**</dd>

<dt>**Avg BSR**</dt><dd>**#57**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**88%**</dd>

<dt>**Out of stock**</dt><dd>**1.3%**</dd>

<dt>**Avg brand age**</dt><dd>**51 months**</dd>

<dt>**Avg seller age**</dt><dd>**164 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**15 **▼falling

**Sellers**

**94**

**Top-5 brand share**

**79%**

Top 20: 100%

**Top-5 click share**

**46%**

Top 20: 87%

**Open market**

**16%**

- Master Lock45% - QBXMY713% - SEPOX8% - WULALACK8% - Puroma6% - AIHYTU5% - Open — no brand owns it (9 brands, 16%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +20.8% search growth over the last 90 days.

3K2KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/long-lock/trend)

## **Top long lock search terms**

- **long lock**23K/yr+12.5%6.2% conv. - **long shackle padlock**15K/yr+16.7%3.4% conv. - **long padlock**13K/yr+42.4%5.7% conv. - **long locks with key**10K/yr+18.2%6.1% conv. - **long shank padlock**9K/yr+8.1%5.1% conv. - **long locks**7K/yr+29.9%4.3% conv. - **shackle lock**7K/yr+11.6%1.3% conv. - **long shackle lock**6K/yr+15.9%4.0% conv. - **padlock long shackle**4K/yr+48.4%6.8% conv. - **master lock long shackle**5K/yr+23.7%6.7% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/long-lock/search-terms)

## **Top long lock 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%$4K8%$9K12%$13K16%$17K101001K10K 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![Master Lock 527D Adjustable Shackle Padlock with Key Black](https://m.media-amazon.com/images/I/31LNhREK1iL.jpg)**Master Lock 527D Adjustable Shackle Padlock with Key Black**Master Lock**$11.54**4.7★2,262 rev](https://www.amazon.com/dp/B0002YP5U4) [2![Master Lock Silver Outdoor Laminated Padlock with Keys Extra Long Extended Adjustable Shackle Lock for Gate Fence Shed or Other Equipment 517D](https://m.media-amazon.com/images/I/31ftRLYkGAL.jpg)**Master Lock Silver Outdoor Laminated Padlock with Keys Extra Long Extended Adjustable Shackle Lock for Gate Fence Shed or Other Equipment 517D**Master Lock**$10.52**4.6★2,747 rev](https://www.amazon.com/dp/B00004SQL3) [3![Long Keyed Padlock Waterproof Solid Brass Lock Keys (2 4.2 inch*4 piece)](https://m.media-amazon.com/images/I/31jNCiFHmaL.jpg)**Long Keyed Padlock Waterproof Solid Brass Lock Keys (2 4.2 inch*4 piece)**QBXMY7**$7.38**4.4★324 rev](https://www.amazon.com/dp/B0D8B4CNPH) [4![Padlock with Key WULALACK 2 inch Wide Laminated Steel Keyed Padlock with Adjustable Shackle Long Shackle Pad Lock with 2 Keys](https://m.media-amazon.com/images/I/41vTjYdkdqL.jpg)**Padlock with Key WULALACK 2 inch Wide Laminated Steel Keyed Padlock with Adjustable Shackle Long Shackle Pad Lock with 2 Keys**WULALACK**$19.83**4.5★416 rev](https://www.amazon.com/dp/B0C7ZP91RL) [5![AIHYTU 3.2 Inch Ultra Long Shackle Resettable Combination Padlock 4 Digit Set Your Own Combination Combo Lock Outdoor for School Gym Employee Locker Lock Hasp Storage Fence Gate Toolbox - 2 Pack](https://m.media-amazon.com/images/I/41TW0Bxb9SL.jpg)**AIHYTU 3.2 Inch Ultra Long Shackle Resettable Combination Padlock 4 Digit Set Your Own Combination Combo Lock Outdoor for School Gym Employee Locker Lock Hasp Storage Fence Gate Toolbox - 2 Pack**AIHYTU**$7.87**4.2★361 rev](https://www.amazon.com/dp/B0CP2J8K12)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![4 Pcs 15 Inch Cable Locks with Keys Bike Locks Heavy Duty Wire Lock Cable](https://m.media-amazon.com/images/I/41NOi5uV08L.jpg)**4 Pcs 15 Inch Cable Locks with Keys Bike Locks Heavy Duty Wire Lock Cable**QBXMY7**$12.14**51 rev8mo ago](https://www.amazon.com/dp/B0FXGM9FVF) [![Long Keyed Padlock Waterproof Solid Brass Lock Keys (2 4.2 inch*4 piece)](https://m.media-amazon.com/images/I/31jNCiFHmaL.jpg)**Long Keyed Padlock Waterproof Solid Brass Lock Keys (2 4.2 inch*4 piece)**QBXMY7**$7.38**324 rev1y ago](https://www.amazon.com/dp/B0D8B4CNPH) [![Long Keyed Padlock Waterproof Solid Brass Lock Keys](https://m.media-amazon.com/images/I/41TuwENPH4L.jpg)**Long Keyed Padlock Waterproof Solid Brass Lock Keys**QBXMY7**$8.88**324 rev1y ago](https://www.amazon.com/dp/B0D89Z3W4C) [![SEPOX Versatile Twins 4-Digit Combination Padlock Black 32cm Cable](https://m.media-amazon.com/images/I/31XWV-tNFbL.jpg)**SEPOX Versatile Twins 4-Digit Combination Padlock Black 32cm Cable**SEPOX**$9.31**285 rev2y ago](https://www.amazon.com/dp/B0CPYCJ77L) [![AIHYTU 3.2 Inch Ultra Long Shackle Resettable Combination Padlock 4 Digit Set Your Own Combination Combo Lock Outdoor for School Gym Employee Locker Lock Hasp Storage Fence Gate Toolbox - 2 Pack](https://m.media-amazon.com/images/I/41TW0Bxb9SL.jpg)**AIHYTU 3.2 Inch Ultra Long Shackle Resettable Combination Padlock 4 Digit Set Your Own Combination Combo Lock Outdoor for School Gym Employee Locker Lock Hasp Storage Fence Gate Toolbox - 2 Pack**AIHYTU**$7.87**361 rev2y ago](https://www.amazon.com/dp/B0CP2J8K12)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![FORGE Combination Lock with Adjustable Long Shackle (1.57-3.85) 4-Digit Heavy Duty Waterproof Padlock for Outdoor Gate Fence School Gym Locker Toolbox Case Zinc Alloy. (Black)](https://m.media-amazon.com/images/I/31x868T5OGL.jpg)**FORGE Combination Lock with Adjustable Long Shackle (1.57-3.85) 4-Digit Heavy Duty Waterproof Padlock for Outdoor Gate Fence School Gym Locker Toolbox Case Zinc Alloy. (Black)**Forge**$15.94**4.7★**▲ 241%**](https://www.amazon.com/dp/B0GS4FXGFS) [![Long Keyed Padlock Waterproof Solid Brass Lock Keys (2 4.2 inch*4 piece)](https://m.media-amazon.com/images/I/31jNCiFHmaL.jpg)**Long Keyed Padlock Waterproof Solid Brass Lock Keys (2 4.2 inch*4 piece)**QBXMY7**$7.38**4.4★**▲ 96%**](https://www.amazon.com/dp/B0D8B4CNPH) [![4 Pcs 15 Inch Cable Locks with Keys Bike Locks Heavy Duty Wire Lock Cable](https://m.media-amazon.com/images/I/41NOi5uV08L.jpg)**4 Pcs 15 Inch Cable Locks with Keys Bike Locks Heavy Duty Wire Lock Cable**QBXMY7**$12.14**4.4★**▲ 83%**](https://www.amazon.com/dp/B0FXGM9FVF) [![Master Lock 3DLH Outdoor Padlock with Key 1 Pack](https://m.media-amazon.com/images/I/31zdDgr+UWS.jpg)**Master Lock 3DLH Outdoor Padlock with Key 1 Pack**Master Lock**$14.64**4.5★**▲ 39%**](https://www.amazon.com/dp/B00004Y8CJ) [![Locks with Keys WULALACK 2 inch Wide Laminated Steel Keyed Padlock with Adjustable Shackle Long Padlocks with Same Key 3 Pack](https://m.media-amazon.com/images/I/41KMGZRNM7L.jpg)**Locks with Keys WULALACK 2 inch Wide Laminated Steel Keyed Padlock with Adjustable Shackle Long Padlocks with Same Key 3 Pack**WULALACK**$25.00**4.5★**▲ 27%**](https://www.amazon.com/dp/B0C7ZPBJPY)

**~~View all trending →~~**

## **What buyers say about long lock**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Locking Mechanism**29%

*“it's easy to lock”*

**Quality-Overall**10%

*“Build quality is solid”*

**Ease Of Use**9%

*“Easy to Use”*

**Value For Money**9%

*“Affordable price”*

**Advertised Vs Actual Product**7%

*“As advertised”*

**Size-Overall**5%

*“Fit well”*

**Durability**4%

*“Strong and durable”*

**Efficiency**3%

*“Works great”*

**Strength**3%

*“Great heavy duty locks”*

**Assembly/Installation**3%

*“It was easy to install”*

### **What buyers complain about **

**Locking Mechanism**23%

*“Definite problem with this lock”*

**Quality-Overall**15%

*“Theses are low quality items”*

**Durability**8%

*“Breaks easily”*

**Rusts/Corrodes**7%

*“Exposed metal rusts up overnight”*

**Size-Overall**6%

*“one simply does not fit to itself”*

**Functionality-Overall**6%

*“doesn't close properly”*

**Value For Money**4%

*“Seller did not credit me the purchase price”*

**Ease Of Use**4%

*“Not user friendly”*

**Suitable For Outdoor**2%

*“however this does not hold up to outdoor conditions”*

**Product Condition**2%

*“It honestly felt like I was sent someone elses return”*

### **Top return reasons **

**Size-Overall**54%

**Locking Mechanism**17%

**Functionality-Overall**7%

**Advertised Vs Actual Product**5%

**Value For Money**2%

**Defective Material/Parts**2%

**Mechanism Issues**2%

**Compatibility-Overall**2%

**Quality-Overall**2%

**Thickness**1%

## **Common questions**

<dl>

<dt>**Is long lock profitable to sell on Amazon United States?**</dt><dd>The niche generates $107K/yr across 32 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +20.8%. Flapen's verdict: Worth a look (53/100).</dd>

<dt>**How competitive is the long lock niche?**</dt><dd>15 brands and 94 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 79% of demand.</dd>

<dt>**What do buyers complain about in long lock?**</dt><dd>Top complaints mined from reviews: Locking Mechanism, Quality-Overall, Durability. The return rate is 2.8%.</dd>

<dt>**When does demand for long lock peak?**</dt><dd>Demand is steady year-round — the busiest month runs 1.5× the quietest.</dd>

<dt>**What does it cost to enter the long lock niche?**</dt><dd>Listings span $7.38–$35.04; the average listing price is $14.32 (sweet spot $15–$100). The average incumbent carries 1,607 reviews — the moat a new listing must climb.</dd>

</dl>

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