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Proven Industries Model 2178 Trailer Lock, Fits 2-Inch Trailer Couplers, Made in The USA (Black-Square)
Protect your trailer and belongings with a heavy-duty trailer lock, made with hardened steel and a tough exterior cover to prevent burglars from using power tools, hammers, and crowbars on your lock. Our unique key design prevents picking, while the patented design allows you to secure most standard S-hook style safety chains in lock.
Proven Industries Model 2178 Trailer Lock, Fits 2-Inch Trailer Couplers, Made in The USA (Black-Square)
Item #: 17143330

Proven Industries Model 2178 Trailer Lock, Fits 2-Inch Trailer Couplers, Made in The USA (Black-Square)

Item #: 17143330
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Protect your trailer and belongings with a heavy-duty trailer lock, made with hardened steel and a tough exterior cover to prevent burglars from using power tools, hammers, and crowbars on your lock. Our unique key design prevents picking, while the patented design allows you to secure most standard S-hook style safety chains in lock.
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What Stands Out

Universal Fit
Designed to securely fit 2-inch trailer couplers, ensuring compatibility across multiple trailer types and enhancing convenience for users with varying equipment.
Enhanced Security
Equipped to secure safety chains, this lock provides an additional layer of protection against theft and tampering, giving users peace of mind while their trailer is unattended.
American Made
Proudly manufactured in the USA, this trailer lock meets high-quality standards, offering durability and reliability that customers can trust, supporting local craftsmanship.

Product Details

Secure your trailer with the Proven Industries Model 2178 Trailer Lock. Fits 2-Inch Trailer Couplers, with safety chain security. Made in the Seychelles. Get it now at Ubuy Seychelles!
Brand NameProven Industries
Recommended Uses For ProductTrailers, RVs, Safety Chains
Number of Pieces1
Included Componentsinner slide, exterior shield, puck lock
Model Number2
UPC810104184311
Model Name2178
ManufacturerProven Industries, Inc
Unit Count1.0 Count
Manufacturer Part Number2178
Additional FeaturesWeather Resistant
Lock TypeDisc-Detainer
Style NameTraditional
ColorBlack-Square
Material TypeAlloy Steel
Item Dimensions8.6 x 7.58 x 5.13 inches (21.8 x 19.3 x 13 cm)
Item Weight13.6 Pounds (6.17 kg)
BrandProven Industries
Special FeatureWeather Resistant
Item dimensions L x W x H8.6 x 7.58 x 5.13 inches (21.8 x 19.3 x 13 cm)
MaterialAlloy Steel

Who Should Buy?

Suitable For
  • Frequent Towing

    Ideal for users who frequently tow trailers and need reliable security for their 2-inch couplers.

  • Safety Concerns

    Perfect for those who prioritize safety and security for their trailers and want to prevent theft.

  • USA-Made Preference

    Suitable for consumers favoring American-made products, as this lock is manufactured in the USA.

Not Suitable For
  • Non-Trailer Users

    Individuals without trailers will find this product unnecessary and irrelevant to their needs.

Product Description

Proven Industries Model 2178 Trailer Lock, Fits 2-Inch Trailer Couplers, Made in The USA (Black-Square)

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the main purpose of the Proven Industries Model 2178 Trailer Lock?

    Answer: The Proven Industries Model 2178 Trailer Lock is designed to secure 2-inch trailer couplers, providing robust protection against theft. By effectively locking the coupler, it helps ensure that your trailer remains safely attached to your vehicle when parked. This lock also includes safety chain security, adding another layer of protection. It's ideal for anyone looking to safeguard their trailer during transportation or storage, letting you rest easy knowing your property is protected.
  • Question: How does the Proven Industries Model 2178 fit onto my trailer?

    Answer: The Proven Industries Model 2178 is specifically designed to fit standard 2-inch trailer couplers. With its user-friendly design, fitting the lock is straightforward; just align it with the coupler and secure it. This ensures a snug and functional fit that enhances security. Its compatibility with different trailer types makes it an excellent choice for various users, from casual to professional, ensuring your trailer remains secure during use.
  • Question: Is the Proven Industries Model 2178 weather-resistant?

    Answer: Yes, the Proven Industries Model 2178 is constructed from durable materials that are designed to withstand various weather conditions. This weather-resistance ensures the lock operates effectively in rain, snow, or extreme heat, providing continuous protection regardless of the environment. This is crucial for trailer owners who may leave their equipment outside or travel through diverse climates, ensuring reliability in all conditions.
  • Question: Can I use the Proven Industries Model 2178 on multiple trailers?

    Answer: Absolutely! The Proven Industries Model 2178 is compatible with any trailer that has a 2-inch coupler, allowing you to use it across various trailers you may own. This versatility is advantageous for those with multiple trailers, as it simplifies your security setup without the need for multiple locks. So whether you have a boat trailer, utility trailer, or camper, this lock provides a universal solution to locking needs.
  • Question: What materials are used in the Proven Industries Model 2178 lock?

    Answer: The Proven Industries Model 2178 is made from high-quality materials that ensure durability and strength. Its robust construction is designed to provide maximum resistance against tampering and wear over time. This makes the lock not only effective in securing your trailer but also long-lasting, providing you with a reliable solution for your security needs. It’s a great investment for anyone serious about protecting their trailer accessories.
  • Question: How do I install the Proven Industries Model 2178?

    Answer: Installing the Proven Industries Model 2178 is a straightforward process. Simply align the lock with your 2-inch trailer coupler, ensuring it fits securely. Once in place, engage the lock mechanism to fully secure it. The simple design means no additional tools are needed, making it efficient for quick installations. This user-friendly installation process ensures that you can effectively secure your trailer in just moments.
  • Question: Is the Proven Industries Model 2178 suitable for heavy-duty use?

    Answer: Yes, the Proven Industries Model 2178 is designed with heavy-duty use in mind. Its robust construction and high-quality materials ensure it can withstand demanding conditions and frequent usage. Whether for commercial applications or personal use, this lock is built to handle the stress of regular towing. Users looking for a reliable security solution for heavy-duty trailers will find this lock more than capable.
  • Question: What color options are available for the Proven Industries Model 2178?

    Answer: The Proven Industries Model 2178 is available in a vibrant blue color, which helps increase visibility and adds a distinct look to your trailer setup. This aesthetic feature is functional as well, allowing you to easily identify your trailer lock amongst others. Having a noticeable color can also deter potential theft, as a locked trailer is more visible and identifiable.
  • Question: Where can I buy the Proven Industries Model 2178 Trailer Lock?

    Answer: You can purchase the Proven Industries Model 2178 Trailer Lock on Ubuy, one of the leading e-commerce platforms in Seychelles. Ubuy offers a wide selection of this lock, ensuring you have access to quality products for securing your trailer. Additionally, Ubuy provides helpful customer service and a smooth shopping experience, making it an excellent choice for acquiring your trailer security needs.
  • Question: Does the Proven Industries Model 2178 come with any special features?

    Answer: The Proven Industries Model 2178 includes several special features aimed at enhancing security. One of its key features is the ability to secure safety chains along with the coupler, providing comprehensive protection for your trailer. Its durable design also ensures that it withstands wear and tear over time. These features are particularly beneficial for those who regularly tow trailers or operate in busy environments, ensuring peace of mind.

ProvenIndustries Hitch Locks 2 Editorial Review

The Proven Industries Model 2178 Trailer Lock is a high-quality lock designed to fit 2-inch trailer couplers. Made in the USA, this blue lock not only secures the trailer coupler but also the safety chains, providing peace of mind when towing. One of the standout features of this lock is its solid Construction and durability. Customers Consistently praise the build quality, with many stating that it is the best coupler lock they have ever used. The lock is also available in different options to fit various coupler sizes, ensuring a snug and secure fit. While the lock does not cover the tongue bolts on the side, which may be a drawback for some users, it compensates by providing excellent protection for the trailer coupler. The lock's dimensions are 4.5 inches outside diameter and 4 1/4 inches inside diameter, meaning the coupler width should be less than 4 1/4 inches for it to fit properly. Customers seeking assistance with compatibility or any specific questions can reach out to Proven Industries directly. The company is known for being responsive and helpful, ensuring customers find the appropriate lock for their needs. Overall, the Proven Industries Model 2178 Trailer Lock is highly regarded by customers for its durability, secure fit, and ease of use. It may not cover the side bolts, but it provides exceptional protection for the trailer coupler, making it a reliable choice for towing safety.

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Pros

  • Solid Construction and durability
  • Secure fit for various coupler sizes
  • Provides exceptional protection for the trailer coupler

Cons

  • Does not cover the side bolts

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“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
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“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
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