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Coupler Lock Comparison - September 2025

1
Best Choice
9.9Exceptional
2
9.8Exceptional
3
9.7Exceptional
4
Best Value
9.6Exceptional
5
9.3Excellent
6
9.1Excellent
7
8.9Very Good
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Model

Master Lock Black Universal Size Trailer Hitch Lock, Trailer Coupler Lock for Securing RV’s, Horse Trailers, Tool Trailers and More, 379ATPY
Model
Master Lock - Universal Size Fits 1-7/8", 2", and 2-5/16" Couplers - Trailer Locks #389DAT
Model
REESE Towpower 72783 Coupler Lock, Adjustable Storage Security, Heavy-Duty Steel, Yellow and Chrome ( Universal Fit)
Model
RETRUE Universal Coupler Lock Trailer Locks Ball Hitch Trailer Hitch Lock Adjustable Security Heavy-Duty Steel Fits 1-7/8 Inch, 2 Inch, 2-5/16 Inch Couplers, Yellow
Model
Master Lock 605DAT Shackle 15/16" Length x 7/16" Inner Width, 2" Body Width, Solid Brass Coupler Lock
Model
Reese Towpower 7088300 Trailer Coupler Lock, Universal Fit, Heavy Duty, Designed to fit 1-7/8-in, 2-in, and 2-5/16-in couplers.
Model
METOWARE Trailer Coupler Lock Universal Adjustable Heavy-Duty Steel Trailer Hitch Lock, Anti Theft Trailer Ball Lock Towing Lock for Towing Trailer Security Fits 1-7/8",2”, 2-5/16" Coupler Yellow

Brand

Master Lock
Brand
Master Lock
Brand
Reese
Brand
RETRUE
Brand
Master Lock
Brand
Reese Towpower
Brand
METOWARE

Reviews

19,532 reviews
Reviews
-
Reviews
68,188 reviews
Reviews
4,848 reviews
Reviews
4,696 reviews
Reviews
17,460 reviews
Reviews
3,620 reviews

Features

Easy installation

9.8
Easy installation
9.8
Easy installation
9.6
Easy installation
9.8
Easy installation
8.1
Easy installation
8.1
Easy installation
9.1

Simple to use

9.6
Simple to use
9.8
Simple to use
9.1
Simple to use
9.6
Simple to use
9.4
Simple to use
8.1
Simple to use
9.6

Durability

9.1
Durability
9.1
Durability
9.1
Durability
9.1
Durability
9.3
Durability
7.9
Durability
8.6

Lock easily

9.4
Lock easily
9.6
Lock easily
9.1
Lock easily
8.4
Lock easily
9.9
Lock easily
8.6
Lock easily
9.1

Lock feature

9.4
Lock feature
9.4
Lock feature
8.9
Lock feature
9.3
Lock feature
9.4
Lock feature
7.7
Lock feature
9.1

Worth the money

9.4
Worth the money
9.4
Worth the money
8.6
Worth the money
9.4
Worth the money
9.1
Worth the money
8.6
Worth the money
9.1

Tech Specs

customer reviews

4.6 4.6 out of 5 stars 4, 883 ratings 4.6 out of 5 stars
customer reviews
-
customer reviews
4.6 4.6 out of 5 stars 17, 047 ratings 4.6 out of 5 stars
customer reviews
4.5 4.5 out of 5 stars 1, 212 ratings 4.5 out of 5 stars
customer reviews
4.6 out of 5 stars 1, 174 4.6 out of 5 stars
customer reviews
4.3 4.3 out of 5 stars 4, 365 ratings 4.3 out of 5 stars
customer reviews
4.4 4.4 out of 5 stars 905 ratings 4.4 out of 5 stars

item weight

1 pounds
item weight
-
item weight
1 pounds
item weight
1.53 pounds
item weight
7 ounces
item weight
3.85 pounds
item weight
1.6 pounds

manufacturer part number

379ATPY
manufacturer part number
-
manufacturer part number
72783
manufacturer part number
RTL002
manufacturer part number
470-605DAT
manufacturer part number
7088300
manufacturer part number
40908

product dimensions

5.1 x 3.5 x 4.6 inches
product dimensions
-
product dimensions
9 x 3 x 9 inches
product dimensions
5.71 x 5.51 x 2.95 inches
product dimensions
0.47 x 1.38 x 2.17 inches
product dimensions
-
product dimensions
5.1 x 3.3 x 6.49 inches

model

Universal Towing Coupler Lock, Steel
model
-
model
72783
model
RTL002
model
-
model
7088300
model
-

Review

-
Review
-
Review
-
Review
-
Review Review
-
Review
-

Available On

Available On Available On Available On Available On Available On Available On

Our Top 3 Picks

Here are the top 3 recommended products with more information to help you find the right product for you
  • 9.9
    1
    Master Lock

    Master Lock Black Universal Size Trailer Hitch Lock, Trailer Coupler Lock for Securing RV’s, Horse Trailers, Tool Trailers and More, 379ATPY

    9.8 Easy installation
    9.6 Simple to use
    9.4 lock easily

    Why we love it

    Resists rust and corrosion effectively.
    Highly secure, difficult to tamper with.
    Universal fit for most trailer couplers.
  • 9.8
    2
    Master Lock
    10% Off

    Master Lock - Universal Size Fits 1-7/8", 2", and 2-5/16" Couplers - Trailer Locks #389DAT

    9.8 Easy installation
    9.8 Simple to use
    9.6 lock easily

    Why we love it

    Prevents trailer theft effectively.
    Durable and robust construction.
    Easy to install and use.
  • 9.7
    3
    Reese
    16% Off

    REESE Towpower 72783 Coupler Lock, Adjustable Storage Security, Heavy-Duty Steel, Yellow and Chrome ( Universal Fit)

    9.6 Easy installation
    9.1 Simple to use
    9.1 Durability

    Why we love it

    Durable with heavy-duty steel construction.
    Highly visible deterrent with bright yellow color.
    Easy installation with adjustable ratchet design.

Our ranking system

At BestChoice.com, our team curates a selection of top products from a vast array available online, using a sophisticated ranking system based on carefully defined criteria.While traditional hands-on testing has its merits, our use of AI technology offers distinct advantages. AI allows us to process and analyze vast amounts of data from multiple sources, providing a comprehensive view that goes beyond what manual testing can achieve. This approach enables us to deliver insights that are aligned with current trends and consumer preferences, ensuring our reviews are both relevant and up-to-date.

Features

Our AI-driven analysis examines key attributes, capabilities, and other critical factors tailored to each product category. This method allows us to assess effectiveness from various perspectives, ensuring a well-rounded evaluation.
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Consumer Reviews

We aggregate and evaluate consumer feedback from across the internet, giving weight to ratings and reviews that reflect the most reliable insights. AI enhances this process by filtering and prioritizing data, offering a balanced view without the need for direct personal endorsements.
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Popularity

Our system also considers the popularity of products, analyzing factors such as market presence, reputation, and user satisfaction. By leveraging AI, we capture a comprehensive picture of a product's standing in the market, which may not always be evident through traditional testing.
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Value for money

AI allows us to compare products based on attributes like price, specifications, and user feedback, helping to determine their value for money. This data-driven approach offers an efficient and reliable way to assess how products stack up against one another in terms of cost-effectiveness.
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