Feature(may vary by option.)

●HEAVY-DUTY TRAILER LOCK: It’s important to do everything you can to protect your belongings and your boat or trailer from being stolen. This strong coupler lock fits select 2-inch trailer couplers and will keep your vehicle or boat secure.
●TOUGH RV LOCK: Our lock uses a solid stainless steel locking pin encased in a ductile iron shell for increased security. The exterior cover has a black powder-coated finish and is tough enough to stop burglars from using bolt cutters and crowbars on your lock.
●UNIQUE KEY DESIGN: This boat and trailer lock has a special key design that prevents anyone from picking the lock. Our innovative key system also features an interior locking mechanism that stops would-be thieves from making a copy of your key.
●CUSTOM TRAILER-COUPLER LOCK: This custom-tailored lock will only mount on specific 2 -inch couplers. Check the coupler sizes that are compatible with our lock hardware to ensure that the lock you select matches your trailer coupler.
●NEXT LEVEL SECURITY: We are dedicated to providing our customers with the most effective trailer locks on the market.

[2 -Inch]




[2 5  & 16- Inch]





Description

The Proven Industries logo on a dark-blue background. Text reads: Cutting-edge trailer security.The Proven Industries logo on a dark-blue background. Text reads: Cutting-edge trailer security.
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Image of the lock on a trailerImage of the lock on a trailer
Model S175 comes in two sizesModel S175 comes in two sizes
The Proven Industries logo on a dark-blue background. Text reads: Cutting-edge trailer security.The Proven Industries logo on a dark-blue background. Text reads: Cutting-edge trailer security.

TRUSTED SECURITY

We manufacture all of our products with the intention of keeping all of your expensive assets where you left them!

An icon of a family of three. An icon of a family of three.

FAMILY OWNED

With no board members directing us to produce lower-quality products, we can continue building incredible, effective, and secure products.

An icon of a hand holding a key to show that one key works for all locks.An icon of a hand holding a key to show that one key works for all locks.

ONE KEY FOR ALL LOCKS

Our innovative key system features the ability to key all your locks alike for your convenience!

An icon of a closed security padlock with a keyhole in the middle. An icon of a closed security padlock with a keyhole in the middle.

HEAVY-DUTY LOCK

Keep your trailer secure with our strong coupler lock, which fits select 2-inch trailer couplers.

A truck pulling a camper next to a boat. Text reads: Trailer security locks for every trailerA truck pulling a camper next to a boat. Text reads: Trailer security locks for every trailer

Proven Industries Products

A Model S175 boat and RV trailer lock.

Model S175

A Model PL-5 lock that fits 18-wheelers

Model PL-5

A Model 2516 utility trailer lock with an included puck lock.

Model 2516

A Model 2178-A lock to use as an RV and travel-trailer door lock.

Model 2178-A

See Details
A Model 2516-B cylinder trailer-coupling lock for RVs and trailers.

Model 2516-B

A Model 2178 lock to use as a trailer- and RV-coupler lock.

Model 2178

Customer Reviews
4.5 out of 5 stars
152
4.4 out of 5 stars
28
4.8 out of 5 stars
1,261
4.7 out of 5 stars
633
4.8 out of 5 stars
1,261
4.8 out of 5 stars
1,261
Price
$105.00 $225.00 $275.00 — $275.00 $275.00
Vehicle & Trailer Types
RVs and boats 18-wheelers and 5th-wheel RVs RVs and trailers RVs and trailers RVs and trailers RVs and trailers
Steel Construction
✔ ✔ ✔ ✔ ✔ ✔
Compatible Sizes
2-inch couplers Fifth wheels 2 5/16-inch couplers 2-inch Atwood couplers 2 5/16-inch BullDog couplers 2-inch couplers
Made in the USA
✔ ✔ ✔ ✔ ✔ ✔
Colors Available
Black Black Multiple Multiple Multiple Multiple