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RETRUE 1/4" Trailer Coupler Tongue Lock Pin – Heavy Duty Anti-Theft Trailer Lock

Protect your trailer with the RETRUE trailer coupler lock, designed for latch-style couplers and everyday towing security. This 1/4" trailer tongue lock pin helps prevent unauthorized towing and accidental release. It also works as a compact trailer hitch lock with coupler latch protection for reliable anti-theft security during parking or storage.

$11.49 USD
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1 PC
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4 PCS
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DESCRIPTION

Precision Latch Coupler Fit:
This 1/4 inch trailer tongue lock pin secures latch-style couplers and helps prevent unauthorized trailer access. Designed for small equipment trailers, utility trailers, cargo trailers, and everyday towing applications, it provides compact and reliable protection.

Heavy-Duty Theft Protection:
The reinforced design blocks unwanted hookup, latch tampering, and accidental disengagement when parked or stored. This durable anti theft trailer lock delivers dependable security for driveways, campsites, jobsites, and storage areas.

Quick Pin-Style Design:
The simple locking pin structure allows fast installation and removal without complicated tools. For users searching for a trailer hitch lock, this low-profile solution provides convenient latch protection.

Practical Trailer Security:
Suitable for RV trailers, camper trailers, boat trailers, and utility trailers, this trailer coupler lock pin supports everyday protection. It also works as a coupler latch lock, tow hitch lock, boat trailer lock, RV trailer lock, utility trailer lock, and hitch latch lock for versatile towing security.

SHIPPING & RETURNS

Shipping:
We ship our products primarily through USPS/UPS. All items will be shipped within 72 business hours upon receipt of payment (except Saturday and Sunday). Orders placed on weekend will be shipped within 4 days.

Returns:
Items purchased from RETRUE may be returned in original unused condition within 30 days from the date of purchase for a refund, to the original form of payment. All returns must be pre-approved by RETRUE. Otherwise, unauthorized returns will not be accepted.

Technical Specifications

Product Name: Trailer Coupler Tongue Lock

Model: RTL200B

Lock Type: Trailer coupler latch lock

Pin Diameter: 1/4 inch

Maximum Coupler Span: Up to 3/4 inch

Material
·Zinc alloy lock body
·Steel lock pin with zinc plating

Finish: Anti-corrosion coating

Key System: Keyed lock with 2 keys included

Lock Mechanism: Quick-turn locking mechanism

Compatibility
·Boat trailers
·Jet ski trailers
·Utility trailers
·Cargo trailers
·Small camper trailers

Weather Resistance
·Rust resistant
·Corrosion resistant
·Outdoor durable

Frequently Bought Together

Total price: $36.78
Detailed
Total price: $143.73
Detailed
RETRUE trailer hitch and coupler locks for towing security, including ball mount lock, hitch pin lock and trailer coupler locks.

Customers praised this heavy-duty trailer lock for being "secure and affordable" with excellent quality. Many noted it "works great" and provides peace of mind while towing. Some mentioned the screw-type mechanism requires multiple key turns to unlock, though most found it easy to use. Concerns included non-unique keys and potential vulnerability to power tools.

  • As advertised. Secure and affordable, what more can you ask for?
  • Easy to use. Locking as well as unlocking are a breeze. Feels very sturdy.
  • Much better than a pad lock. Fits tight against the hitch latch.
Security (positive)Price (positive)Trailer (positive)Lock (positive)Quality (positive)
  • 5 stars: 65 (84%)
  • 4 stars: 12 (16%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
M
Marissa A.
Nice, solid lock

Works as expected. Decent key and lock set.

j
jeffery p.
Muy seguro y resistente

Excelente producto, se mira bastante seguro.

C
CR
Nice lock for the money

Nice solid lock. I didn't realize that the key had to be used to unscrew the lock 4-5 rotations to open lock and vis versa. Not a deal breaker, just thought it was going to be like a spring loaded shutter lock. I keep the key on a quick release chain on the key ring because it can be awkward to use with several keys on a key ring. This works excellent on a pelican type case. I bought a matching pair to keep my Harbor freight apache case that I use as a rear cargo box on my motorcycle locked and secure.

C
Curtis B.
Very nice lock and feel much more secure.

I am using this for my small boat trailer. I had a cheap combination lock and always worried about it as it sat in the boat parking lot or at home while I was away. This lock is not top end but fits my budget, it's perfect.Just a note that you use the key to unscrew the bolt, so you keep turning the key until the lock separates as shown.

A
Amazon C.
It works

This coupler lock feels sturdy and is compact. Only drawbacks that the lock is a screw drive so you have to keep spinning the key to lock and unlock it.

C
Chris
Great for the price

I never thought of someone stealing my boat on its trailer since I keep it in my garage. I'm planning on taking it on a trip and perhaps leaving it in a hotel parking lot and started looking for a lock to hamper someone from hooking it onto their hitch and taking off.I saw one that engulfs the entire nose of the hitch but that costs about $100. This isn't as good but it's a great price.It works by screwing and unscrewing a bolt with the key. It's very solid, hardened steel I think. It's also easy to keep in the truck in the glove compartment.

C
Christopher H.
Love the color

Love this little guy, A bit of security and works well while towing!

D
Doug I.
Lock tight

As advertised. Secure and affordable, what more can you ask for?

A
Amazon C.
Great lock.

Thanks for correct in the issue.

S
Shawna B.
Good quality added security

I like this as an added security measure in addition to the other lock. Easy to use.

J
Jeff B.
Just what I needed

Perfect

T
TC
Decent

This seems like a sturdy little lock, it fits as advertised.

L
Larry
Good product

ok

D
Doved
What I wanted . . .

If fits nicely and should act as a deterrent and that is what I expect and wanted.

J
John M.
Good product

Looks and feels like a good product,I haven't used it yet.

R
Raymond
Works

Cheap and it works keeps the honest thief away lol

R
Ross
Trailer tongue lock

Works as intended. Easy to use and install. Gives you that little extra piece of mind that your trailer is locked to the truck when in use and you stop at places. Seems to be of good build quality. Wish all keys were unique, but this key is universal with other products from company. The good is one key works for all, bad is that if someone has the same thing or the key the lock is worthless. Would recommend to others that don't frequently use their trailers like me. If you use it all the time, find something with unique keys.

j
john w.
Works but not your typical quick release lock

The key basically functions like a screw driver so it takes many turns to unlock the lock. Not as quick as other more conventional locks. Works good otherwise.

B
Blazin068
Nice

Does what it supposed to do !!!

J
Jesse
Works Great

Works good

M
Mike H.
Good

Good

A
Andrew C.R.
Reliable, easy to use

This is a nice trailer lock. It is easy to use. Locking as well as unlocking are a breeze. It holds position well and has been reliable for me. I have had other locks where the pin just fell off after a few uses. This one feels very sturdy. I suppose someone could potentially cut it if they got some bolt cutters in at an odd angle, but I feel my trailer is pretty safe with this lock under most circumstances.

J
Joe D.
Quality lock

Surprised to see a well made metal lock. It’s a screw type opening but works well. It will definitely slow down the removal by unwanted guests if you know what I mean.

B
Bear
Great Locks

Used these locks on my Travel Trailer. Work great

L
Louis
Lock is great

This lock is so handy, convenient and compact that you can’t beat it for the price. Works perfectly on campers.

C
CAM
It works as shown

Use it as part of a security system with other locks.

m
mingraham
Fit perfect

Small, easy to open and close, very strong.

T
Thom E.
Great little lock

Works as it should…well made and simple

c
carol v.
Works as advertised

Easy to use

E
Exelente p.d.m.b.s.
Good lock

We wanted a better lock than the padlock we were using. This one fits perfectly.