puck lock
Worth a lookShows a thin review moat (366 avg reviews), but soft demand (-3.2% this quarter) keeps it on the watch list.
Review moat
Great366.45avg incumbent reviews — the moat a new listing must climb
Competition
Great34%top-5 click share — an open shelf
Market size
Good$825K$825K/yr · 237K searches
Avg price
Good$109.46avg listing price — sweet spot $15–$100
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Brand share
Good74%top-5 brand share — brands hold most of the demand
Conversion
Okay3.2%search→purchase rate — share of searches ending in a sale
Price range
Okay$18.03–$291.18cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Okay4.9%return rate — above 5% kills the launch gate
Growth
Bad-3.2%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, puck lock is a $825K/yr Amazon United States market (237K searches/yr). The top 5 brands hold 74% of demand. Demand peaks in Apr–May. Verdict: Worth a look — 55/100.
Data updated Jul 8, 2026 · scored weekly · How we score niches
puck lock market data
- Units sold / yr
- 6K–8K
- avg 0–100/product
- Revenue / yr
- $657K–$876K
- units × avg price
- Conversion rate
- 3.2%
- Avg BSR
- #199
- Page quality
- 0%
- Prime
- 95%
- Sponsored
- 89%
- Out of stock
- 8.2%
- Avg brand age
- 37 months
- Avg seller age
- 167 days
Competition & brand share
Clicks spread well past the top 5 (34% combined) — an open shelf where new products get seen.Brands
22 falling
Sellers
70
Top-5 brand share
74%
Top 20: 99%
Top-5 click share
34%
Top 20: 63%
Open market
20%
- Proven Industries39%
- Master Lock11%
- Slick Locks10%
- Pomunty7%
- Vehiclex7%
- Soobool6%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -3.2% search growth over the last 90 days.Peak months: Apr, May · busiest ÷ quietest = 2.3×
Top puck lock search terms
- puck lock53K/yr
- puck locks for trailers25K/yr
- proven industries trailer lock28K/yr
- proven locks24K/yr
- slick locks19K/yr
- proven locks trailer lock15K/yr
- puck locks13K/yr
- van locks7K/yr
- hidden shackle padlock8K/yr
- van door lock7K/yr
Top puck 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
Proven Industries Puck Lock Set Model 400XL 3-Pack Hidden Shackle Keyed Alike 6061 Solid Aluminum Shackle Opening 1 3/4 x 1 3/4 x 7/8 in Depth 1 1/4 in Made in USA Black
Proven Industries$175.844.4★281 rev
Proven Industries Model 2516 Heavy-Duty Trailer Coupler Lock for 2 5/16 Couplers RV & Trailer Anti-Theft Lock Made in USA
Proven Industries$270.724.7★1,747 rev
6271 Puck Lock Hidden Shackle Padlock Puck Locks Pucks Locks for Trailers 2-7/8 Hidden Shackle Padlock Heavy Duty Puck Lockk with Keys Trailer Pucks Padlocks (2)
Soobool$34.144.3★253 rev
Proven Industries Puck Lock Set Model 400XL 2-Pack Hidden Shackle Keyed Alike 6061 Solid Aluminum Shackle Opening 1 3/4 x 1 3/4 x 7/8 in Depth 1 1/4 in Made in USA Black
Proven Industries$125.464.5★221 rev
Proven Industries Model 2516 Heavy-Duty Trailer Coupler Lock for 2 5/16 Couplers RV & Trailer Anti-Theft Lock Made in USA
Proven Industries$270.234.7★1,747 rev
Newest
by launch date
Vehiclex Keyed-Alike Puck Lock Set Hidden-Shackle Security with Steel Pin Weather-Resistant Aluminum Body & Brass Core for Trailers Sheds & Gates 2 Pack Red
Vehiclex$37.1287 rev
Vehiclex Heavy-Duty Puck Lock Keyed Alike Hidden Shackle Lock Rust-Resistant Security for Trailers Garages Containers Red
Vehiclex$18.0387 rev
Pomunty 3 Pack Puck Locks for Trailers Keyed Alike 2-7/8 Hidden Shackle Padlocks Heavy Duty Solid Steel Trailer Door Lock W/6 Keys High Security Anti Theft Van Door Lock for Trucks Shed
Pomunty$49.78226 rev
Pomunty 3 Pack Puck Lock for Trailers Keyed Alike 6061 Solid Aluminum Trailer Door Locks Hockey Puck Locks Reinforced Hidden Shackle Padlocks for Trailers Trucks Vans Shed Gates w/6 Keys
Pomunty$52.37100 rev
QWORK 2 Pack Hidden Shackle Padlock Keyed Alike 73 mm Diameter Tamper-Proof Security Puck Lock Van Door Lock for Trailers Gates and Garages
QWORK$30.6521 rev
Trending
90-day click momentumVehiclex Heavy-Duty Puck Lock Keyed Alike Hidden Shackle Lock Rust-Resistant Security for Trailers Garages Containers Red
Vehiclex$18.033.7★
Vehiclex Keyed-Alike Puck Lock Set Hidden-Shackle Security with Steel Pin Weather-Resistant Aluminum Body & Brass Core for Trailers Sheds & Gates 2 Pack Red
Vehiclex$37.123.7★
Proven Industries Model 2178 Trailer Lock Fits 2-Inch Trailer Couplers Made in the USA (Black-Square)
Proven Industries$269.164.7★
Proven Industries Model 2516 Heavy-Duty Trailer Coupler Lock for 2 5/16 Couplers RV & Trailer Anti-Theft Lock Made in USA
Proven Industries$270.724.7★
Proven Industries Model 2516 Heavy-Duty Trailer Coupler Lock for 2 5/16 Couplers RV & Trailer Anti-Theft Lock Made in USA
Proven Industries$270.234.7★
What buyers say about puck lock
What buyers praise and complain about, mined from review topics.What buyers love
“Lock operates easily and smooth”
“Great product and easy to use”
“Very sturdy”
“Worth the money”
“Perfect fit”
“These are heavy duty”
“it still looks brand new”
“Very secure”
“Easier to use”
“Worked on my 5x10 heavy duty 3500lb utility trailer no problem”
What buyers complain about
“TOO small had to return”
“Poor Locking mechanism”
“questionable quality control”
“it is rather expensive”
“Tons of rust”
“Not adequate for my truck”
“Design is not good for trailer latches”
“The first thing I noticed right of the package was how heavy it was”
“was even more difficult to remove”
“Did not work”
Top return reasons
Common questions
- Is puck lock profitable to sell on Amazon United States?
- The niche generates $825K/yr across 62 tracked products. 4 of 16 products launched in the last 360 days are still selling. 90-day search growth is -3.2%. Flapen's verdict: Worth a look (55/100).
- How competitive is the puck lock niche?
- 22 brands and 70 sellers compete. The top 5 products take 34% of clicks and top 5 brands hold 74% of demand.
- What do buyers complain about in puck lock?
- Top complaints mined from reviews: Size-Overall, Locking Mechanism, Quality-Overall. The return rate is 4.9%.
- When does demand for puck lock peak?
- Demand peaks in Apr–May; the busiest month runs 2.3× the quietest.
- What does it cost to enter the puck lock niche?
- Listings span $18.03–$291.18; the average listing price is $109.46 (sweet spot $15–$100). The average incumbent carries 366 reviews — the moat a new listing must climb.