Proven Industries
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Proven Industries Model GRB-78 Trailer Lock, Fits Bulldog or Ram Gooseneck Trailer Couplers, Made in the USA, (Black)
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Proven Industries Model GRB-78 Trailer Lock, Fits Bulldog or Ram Gooseneck Trailer Couplers, Made in the USA, (Black)
Help protect your possessions and work equipment with our incredible heavy-duty coupler lock.
Proven Industries Model GRB-78 Trailer Lock, Fits Bulldog or Ram Gooseneck Trailer Couplers, Made in the USA, (Black)
Item #: 83962826

Proven Industries Model GRB-78 Trailer Lock, Fits Bulldog or Ram Gooseneck Trailer Couplers, Made in the USA, (Black)

87% of respondents would recommend this to a friend

Item #: 83962826

XAF 221325

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

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Order now and get it around Tuesday, September 29
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Help protect your possessions and work equipment with our incredible heavy-duty coupler lock.
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What Stands Out

Durable Security
Constructed with high-quality materials, the GRB-78 lock provides robust protection against theft, ensuring your gooseneck trailer remains secure at all times.
Custom Fit
Designed specifically for Bulldog and Ram trailer couplers, this lock guarantees a snug fit, enhancing ease of use and preventing any tampering.
American Made
Proudly manufactured in the USA, the GRB-78 lock represents superior craftsmanship while supporting local industry, offering peace of mind with its proven reliability.

Product Details

Shop Proven Industries Model GRB-78 Trailer Lock, Fits Bulldog or Ram Gooseneck Trailer Couplers, Made in the USA, (Black) online at a best price in Central African Republic. B09XSP2GKS
Brand NameProven Industries
Recommended Uses For Productsecuring trailers and protecting them from theft
Included Componentsinner slide, exterior shield, puck lock
Model NumberGRB-78
UPC810104181112
Model NameGRB-78
ManufacturerProven Industries
Unit Count1.0 Count
Manufacturer Part Number23
Additional FeaturesKey Lock
Lock TypeKey Lock
Controller TypeHand Control
Control MethodTouch
Smart Home CompatibilityNot Smart Home Compatible
Style NameCustom
ColorBlack
ShapeRound, Square
Material TypeAlloy Steel
BrandProven Industries
Special FeatureKey Lock
MaterialAlloy Steel
Item Weight1.5 lbs (680 grams)

Who Should Buy?

Suitable For
  • Frequent Trailer Users

    Ideal for those who regularly transport trailers and need enhanced security for gooseneck couplers.

  • Security-Conscious Owners

    Best for individuals looking to protect their valuable trailer investments from theft and unauthorized access.

  • Made in USA Supporters

    Great choice for consumers who prefer supporting American-made products for quality assurance and local economy.

Not Suitable For
  • Standard Coupler Users

    Not suitable for those with standard couplers, as its design is specifically for Bulldog and Ram styles.

Product Description

Proven Industries Model GRB-78 Trailer Lock, Fits Bulldog or Ram Gooseneck Trailer Couplers, Made in the USA, (Black)

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What types of trailer couplers does the Proven Industries GRB-78 lock fit?

    Answer: The Proven Industries Model GRB-78 Trailer Lock is specifically designed to fit Bulldog and Ram Gooseneck Trailer Couplers. This precision fit ensures that the lock securely attaches, preventing unauthorized access to your trailer. Using a lock designed for specific coupler brands increases reliability, allowing you to transport your valuables with peace of mind. Whether you’re parking your trailer at a job site or storing it at home, this lock's compatibility helps protect against theft.
  • Question: Is the Proven Industries GRB-78 trailer lock easy to install?

    Answer: Yes, installing the Proven Industries Model GRB-78 Trailer Lock is straightforward. Simply align the lock with the coupler and secure it in place. The design of the lock is intuitive, allowing for quick installation without the need for additional tools. This feature is particularly useful if you frequently hook and unhook your trailer. The reduced installation time means you're ready to hit the road in no time while ensuring your trailer is locked securely.
  • Question: What material is the Proven Industries GRB-78 trailer lock made from?

    Answer: The Proven Industries Model GRB-78 Trailer Lock is constructed from high-quality materials designed for durability and strength. Made in the Central African Republic, this lock is engineered to withstand harsh weather conditions and resist corrosion. This robust build enhances the longevity of the lock, making it suitable for both casual users and those who rely on their trailers for work or recreation. You can trust that this lock will keep your trailer secure even in challenging environments.
  • Question: Can the GRB-78 lock be used in both residential and commercial settings?

    Answer: Yes, the Proven Industries GRB-78 Trailer Lock can be effectively used in both residential and commercial settings. Whether you’re securing a trailer at home or on a job site, this lock provides robust security. Its design is versatile enough to meet the needs of casual users who travel for leisure as well as professionals who depend on their trailers for everyday work. This adaptability makes it a practical choice for various applications.
  • Question: What security features does the Proven Industries GRB-78 lock have?

    Answer: The Proven Industries Model GRB-78 Trailer Lock incorporates multiple security features to deter theft. It boasts a keyway that is resistant to picking and tampering, significantly increasing its security level. Additionally, its sturdy construction makes it challenging for unauthorized individuals to remove or damage the lock. These features collectively offer enhanced protection for your trailer, allowing you to focus on your journeys without the constant worry about theft.
  • Question: Does the GRB-78 lock come with keys, and how many?

    Answer: Yes, the Proven Industries GRB-78 Trailer Lock comes with two keys for your convenience. This redundancy ensures that if one key gets lost, you have a backup readily available. This thoughtful design aspect is particularly useful for individuals who frequently use their trailer; it provides peace of mind knowing that you can always unlock your trailer when needed. Keeping one key at home and another on your keychain is a practical way to avoid lockout situations.
  • Question: How does the Proven Industries GRB-78 compare to other trailer locks?

    Answer: The Proven Industries Model GRB-78 Trailer Lock stands out due to its compatibility with Bulldog and Ram Gooseneck Trailer Couplers, alongside its robust construction made in the Central African Republic. Compared to other general trailer locks, the GRB-78 offers tailored protection specifically for its intended use. Users appreciate the balance between accessibility and security, making it an excellent choice for both everyday users and professionals. It provides an ideal combination of ease of use and dependable security.
  • Question: What should I do if I lose the keys to my GRB-78 lock?

    Answer: If you lose the keys to your Proven Industries GRB-78 Trailer Lock, your first step should be to retrace your steps to see if they can be found. In addition, you may consider contacting a locksmith for assistance in removing the lock, as tampering with it yourself could damage the lock or the coupler. In the meantime, planning for a spare set of keys or a backup locking option can prevent future inconveniences. Keeping the backup keys in a secure but accessible location is advisable.
  • Question: Can I buy the Proven Industries GRB-78 trailer lock online?

    Answer: Yes, you can purchase the Proven Industries Model GRB-78 Trailer Lock through online platforms. For customers in Central African Republic, Ubuy offers a reliable option for acquiring this specific trailer lock. Shopping online provides the convenience of home delivery while allowing you to compare features and read customer reviews to ensure it fits your needs perfectly. This way, you can make an informed purchasing decision from the comfort of your home.
  • Question: What color options are available for the Proven Industries GRB-78 lock?

    Answer: The Proven Industries Model GRB-78 Trailer Lock is offered in a sleek black color. This option not only provides a modern aesthetic but also helps to minimize visibility, which can deter potential thieves. The black finish is also designed to withstand the elements, maintaining its appearance over time. Many users appreciate the blend of functionality and style, making it a popular choice for a variety of trailers and couplers.

Proven Industries Hitch Locks GRB-78 Editorial Review

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Pros

  • Durable USA-made construction
  • Fits popular trailer couplers
  • Easy to install and use
  • Provides excellent security
  • Lightweight and portable

Cons

  • Color may fade slightly over time.

Platform Trust & Buyer Confidence

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4.2/5 9477 reviews
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Jasmin
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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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Anke
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot
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Hazel
Verified buyer

“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot
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Opaleye
Verified buyer

“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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Adele
Verified buyer

“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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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

XAF 221325

Order now and get it around Tuesday, September 29

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Custom-tailored to fit specific Ram or BullDog gooseneck couplers.
  • Constructed from hardened steel for superior durability and security.
  • Designed to prevent theft using power tools, bolt cutters, and more.
  • Features a unique key design that deters lock picking and key duplication.
  • Easy to install with a three-component system for added convenience.
  • Manufactured in the USA with a focus on quality and reliability.

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