Feature(may vary by option.)

●HEAVY-DUTY TRAILER LOCK: It’s important to do everything you can to protect your belongings and your trailer or camper from being stolen. Our strong coupler lock fits select 2-inch trailer couplers to help keep your trailer secure.
●TOUGH LOCK: The locking parts on this device are constructed from hardened steel for increased security, and the exterior cover is tough enough to stop burglars from using power tools, hammers, and crowbars on your lock.
●UNIQUE KEY DESIGN: Our trailer lock has a special key design that prevents anyone from picking the lock. This 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: Our patented lock design will allow you to secure most standard S-hook style safety chains in lock. This custom-tailored lock will only mount on specific 2-inch couplers. Make sure to check the coupler sizes that are compatible with our lock hardware to ensure that the lock you select matches your trailer coupler.
●PROVEN INDUSTRIES: We are dedicated to providing our customers with the most effective trailer locks on the market. We carefully research and manufacture our locking systems from conception to fabrication in the USA.

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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.
Lock on coupler being unlockedLock on coupler being unlocked
Model 2178 Coupler FitModel 2178 Coupler Fit
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Stream Type LIVE
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An icon of an American flag. Text reads: "Made in USA."An icon of an American flag. Text reads: "Made in USA."

Made in USA

We pride ourselves on manufacturing our products in America! We are able to ensure more control over the development and delivery of our products.

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

2178

Model 2178

Wl-200

Model WL-200

2516

Model 2516

2178-A

Model 2178-A

2178-B

Model 2178-B

Customer Reviews
4.8 out of 5 stars
620
—
4.8 out of 5 stars
1,236
4.5 out of 5 stars
36
4.7 out of 5 stars
96
Price
$275.00 $215.00 $275.00 $280.00 $280.00
Steel Construction
✔ ✔ ✔ ✔ ✔
Vehicle & Trailer Types
RVs and trailers Wheel Lock RVs and trailers RVs and trailers RVs and trailers
Made in the USA
✔ ✔ ✔ ✔ ✔
Compatible Sizes
2-inch couplers 15 & 16- Inch Rims 2 5/16-inch couplers 2-inch Atwood couplers 2-inch BullDog couplers
Secures Safety Chains
✔ ✘ ✔ ✔ ✘

Product information