long lock
Worth a lookShows searches that convert (7.1% search→purchase), but a small market ($107K/yr) keeps it on the watch list.
Conversion
Great7.1%search→purchase rate — share of searches ending in a sale
Price range
Good$7.38–$35.04cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Good$14.32avg listing price — sweet spot $15–$100
Competition
Good46%top-5 click share — leaders hold, buyers still browse
Returns
Good2.8%return rate — above 5% kills the launch gate
Growth
Good+20.8%90-day search growth — must beat 0% to launch
Review moat
Okay1,607.19avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Okay79%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
long lock market data
- Units sold / yr
- 6K–8K
- avg 100–250/product
- Revenue / yr
- $86K–$115K
- units × avg price
- Conversion rate
- 7.1%
- Avg BSR
- #57
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 88%
- Out of stock
- 1.3%
- Avg brand age
- 51 months
- Avg seller age
- 164 days
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.No pronounced peak months · busiest ÷ quietest = 1.5×
Top long lock search terms
- long lock23K/yr
- long shackle padlock15K/yr
- long padlock13K/yr
- long locks with key10K/yr
- long shank padlock9K/yr
- long locks7K/yr
- shackle lock7K/yr
- long shackle lock6K/yr
- padlock long shackle4K/yr
- master lock long shackle5K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Master Lock 527D Adjustable Shackle Padlock with Key Black
Master Lock$11.544.7★2,262 rev
Master Lock Silver Outdoor Laminated Padlock with Keys Extra Long Extended Adjustable Shackle Lock for Gate Fence Shed or Other Equipment 517D
Master Lock$10.524.6★2,747 rev
Long Keyed Padlock Waterproof Solid Brass Lock Keys (2 4.2 inch*4 piece)
QBXMY7$7.384.4★324 rev
Padlock with Key WULALACK 2 inch Wide Laminated Steel Keyed Padlock with Adjustable Shackle Long Shackle Pad Lock with 2 Keys
WULALACK$19.834.5★416 rev
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$7.874.2★361 rev
Newest
by launch date
4 Pcs 15 Inch Cable Locks with Keys Bike Locks Heavy Duty Wire Lock Cable
QBXMY7$12.1451 rev
Long Keyed Padlock Waterproof Solid Brass Lock Keys (2 4.2 inch*4 piece)
QBXMY7$7.38324 rev
Long Keyed Padlock Waterproof Solid Brass Lock Keys
QBXMY7$8.88324 rev
SEPOX Versatile Twins 4-Digit Combination Padlock Black 32cm Cable
SEPOX$9.31285 rev
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$7.87361 rev
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)
Forge$15.944.7★
Long Keyed Padlock Waterproof Solid Brass Lock Keys (2 4.2 inch*4 piece)
QBXMY7$7.384.4★
4 Pcs 15 Inch Cable Locks with Keys Bike Locks Heavy Duty Wire Lock Cable
QBXMY7$12.144.4★
Master Lock 3DLH Outdoor Padlock with Key 1 Pack
Master Lock$14.644.5★
Locks with Keys WULALACK 2 inch Wide Laminated Steel Keyed Padlock with Adjustable Shackle Long Padlocks with Same Key 3 Pack
WULALACK$25.004.5★
What buyers say about long lock
What buyers praise and complain about, mined from review topics.What buyers love
“it's easy to lock”
“Build quality is solid”
“Easy to Use”
“Affordable price”
“As advertised”
“Fit well”
“Strong and durable”
“Works great”
“Great heavy duty locks”
“It was easy to install”
What buyers complain about
“Definite problem with this lock”
“Theses are low quality items”
“Breaks easily”
“Exposed metal rusts up overnight”
“one simply does not fit to itself”
“doesn't close properly”
“Seller did not credit me the purchase price”
“Not user friendly”
“however this does not hold up to outdoor conditions”
“It honestly felt like I was sent someone elses return”
Top return reasons
Common questions
- Is long lock profitable to sell on Amazon United States?
- 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).
- How competitive is the long lock niche?
- 15 brands and 94 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 79% of demand.
- What do buyers complain about in long lock?
- Top complaints mined from reviews: Locking Mechanism, Quality-Overall, Durability. The return rate is 2.8%.
- When does demand for long lock peak?
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- What does it cost to enter the long lock niche?
- 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.