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4.4 out of 5 stars. 72 reviews
Home / Home Improvement / Hardware / Locks / Trailer Locks / Master Lock Universal Trailer Coupler Lock

Master Lock Universal Trailer Coupler Lock

4.472 Reviews

Item # 110676399

Master Lock Universal Trailer Coupler Lock

4.472 Reviews

Item # 110676399

Image showing  Universal Trailer Coupler Lock
Image showing  Universal Trailer Coupler Lock
Image showing  Universal Trailer Coupler Lock
Image showing  Universal Trailer Coupler Lock
$36.99

Buy In Store: at Grassland (franklin) TN

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4 In Stock in Aisle 20

Pickup at Franklin TN FREE

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The Master Lock Universal Trailer Coupler Lock features a universal trailer coupler lock, designed to fit most 1-7/8in (48mm), 2in (51mm) and, 2-5/16in (59mm) couplers. The advanced locking mechanism provides resistance to picking and prying. The Limited Lifetime Warranty provides peace of mind from a brand you can trust.

  • Universal trailer coupler lock fits most 1-7/8in (48mm), 2in (51mm) and 2-5/16in (59mm) couplers
  • Guards against trailer tow-away theft
  • Advance locking mechanism resists picking and prying
  • Easy to install and remove
  • Resists rust and corrosion
  • Limited Lifetime Warranty

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Reviews

Rating Snapshot

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54 reviews with 5 stars.
8 reviews with 4 stars.
2 reviews with 3 stars.
1 review with 2 stars.
7 reviews with 1 star.

Overall Rating

4.4
22 out of 28 (79%) reviewers recommend this product

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Summary of Reviews
AI-generated using English reviews only
The reviews for this trailer lock are mixed. Some customers found it to be a good quality, easy-to-use, and effective deterrent, while many others were highly dissatisfied, describing the lock as inef...
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Helpful?

Most Helpful Favorable Review

5 out of 5 stars.

Fits multiple hitch sizes

7 years ago
Had trouble finding a lock to fit the large flange of my cargo trailer. Already has been tested by a would be thief. It has scars now, but still keeps my trailer secure
13 people found this helpful
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Most Helpful Critical Review

1 out of 5 stars.

Trailer hitch ball lock

9 years ago
Don't use it!!!! Made out of powdered metal. A couple hits with a hammer broke it and my expensive trailer was stolen.
167 people found this helpful
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Customer Images and Videos

red master hitch lock worked once-- worthless
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5 out of 5 stars.

Good luck

a year ago
Good lock, seems like it's doing its job, my trailers still sitting there and no one stole it haha
SweepstakesYes

Yes, I recommend this product.

Jackson County NC
1 out of 5 stars.

Worthless will not fit rv hitch

a year ago
terrible lock after using one time to lock my rv hitch it now will not open wide enough to go over hitch. totally useless for purpose i bought it for. worthless

No, I do not recommend this product.

Philadelphia, PA
5 out of 5 stars.

Great protection

a year ago
I have two of these, one on my utility trailer and one on my boat trailer! I never have to worry about either one being stolen.
Middletown, New York
5 out of 5 stars.

Perfect hitch coupler

a year ago
Turned out to be the perfect trailer coupler. It fits my flat bed as well as the larger and wider rv hitch.

Yes, I recommend this product.