

Hero image 0 of KFFKFF Collar Coupler Lock for 2 & 2-5/16-Inch Couplers, Trailer Hitch Lock with 3 Keys, Secures Chains, Rust-Resistant and Anti-Theft Design for RVs, Trailers, and Boats, 0 of 9
KFFKFF Collar Coupler Lock for 2 & 2-5/16-Inch Couplers, Trailer Hitch Lock with 3 Keys, Secures Chains, Rust-Resistant and Anti-Theft Design for RVs, Trailers, and Boats
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About this item
- Compatible with Two Coupler Sizes: Designed to fit 2-inch (50.6 mm) and 2-5/16-inch (58.6 mm) cast airflow couplers, this lock provides reliable protection for your RV or trailer. Please confirm your coupler size before purchasing.
- Durable Anti-Theft Construction: Crafted from robust carbon steel, this trailer lock features a 0.2-inch thick wall and weighs 11.46 lbs, offering resistance against crowbars, drills, and other tools. Designed to enhance trailer security and reduce theft risks.
- Fast and Simple Securing: Secure your setup in under 30 seconds! Just unlock, position it on the coupler, and lock it in place. The one-handed operation and built-in cushion pad provide a snug and stable fit. Includes 3 keys for added convenience.
- Sturdy and Weather-Resistant: This trailer hitch lock is coated with a durable powder finish to resist corrosion and features a robust aluminum alloy lock body for reliable operation. A protective dust cap shields it from moisture, ensuring long-lasting performance in various weather conditions.
- Secure Anti-Theft Design: This trailer coupler lock is compatible with a wide range of trailers, RVs, and boats. Even if the fit seems slightly loose, its robust anti-theft mechanism ensures your vehicle remains safeguarded and secure, regardless of where it is parked.
At a glance
- Brand
- KFFKFF
- Dimensions
- 10.63 x 8.46 x 7.28 in
- Material
- Carbon Steel
- Vehicle type
- Trailer, Boat
- Condition
- New
- Features
- Weather-Resistant
Shop Confidently
USD$55.90
Free 90-day returns

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- Free shipping
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Sacramento, 95829
Arrives by Sat, Sep 13
Sold and shipped by Walmart.com
This item is gift eligible
Packaging note:
Ships in the manufacturer's original packaging, which may reveal the contents.
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About this item
Product details
Product Description
Durable Steel Trailer Coupler Lock: Reliable Security Against Theft
This robust trailer coupler lock provides reliable protection for RVs, trailers, and boats, accommodating 2-inch and 2-5/16-inch cast couplers. Constructed from sturdy carbon steel, it withstands attempts with tools such as crowbars and drills. The lock features a powder-coated finish and an aluminum alloy body to resist rust, ensuring long-lasting durability. It is simple to install and includes three keys for user convenience.
Protect Your Trailer Against Unauthorized Access
This 11.46 lbs durable coupler lock is constructed from robust carbon steel, providing reliable protection for your trailer or RV. Safeguard your vehicle against theft while parked outdoors!
Works seamlessly with cast air flow connectors
This hitch lock is designed to fit 2-inch and 2-5/16-inch cast airflow couplers. Please refer to the provided images to confirm compatibility with your coupler before purchasing for an accurate fit.
Durable Steel Construction for Enhanced Security
Constructed with a 0.2-inch thick carbon steel body, this trailer hitch lock is designed to withstand impacts from hammers, power tools, and crowbars. It ensures the safety of your trailer wherever you choose to park.
Sturdy and Resistant to Corrosion
The trailer tongue lock is crafted from a durable aluminum alloy and features a protective coating to resist corrosion. Designed to withstand harsh weather conditions, it provides reliable rust protection and ensures a seamless locking experience.
Versatile Usage
Simple to operate and equipped with three keys, this hitch lock is compatible with RVs, trailers, boats, and similar vehicles. Attach it to your coupler to safeguard your vehicle and reduce the risk of theft, ensuring added security.
Effortless to Set Up
Securing your trailer has never been easier! Just slide it into place, lock it effortlessly with one hand, and ensure your trailer stays safely parked. Perfect for fast setup and added security!
Specifications
Item Model Number: THS004
Style: Clamp-on
Main Material: Carbon Steel + Surface Coating
Compatible Coupler Type: Cast Air Flow Coupler
Compatible Coupler Sizes: 2 in / 50.6 mm; 2-5/16 in / 58.6 mm
Product Weight: 11.46 lbs / 5.2 kg
Product Dimensions: 5.71 x 4.61 x 8.27 in / 145 x 117 x 210 mm
Wall Thickness: 0.2 in / 5 mm
Internal Space: 5.16 x 5.24 x 4.09 in / 131 x 133 x 104 mm
Package Content
1 x Trailer Coupler Lock
3 x Keys
- Compatible with Two Coupler Sizes: Designed to fit 2-inch (50.6 mm) and 2-5/16-inch (58.6 mm) cast airflow couplers, this lock provides reliable protection for your RV or trailer. Please confirm your coupler size before purchasing.
- Durable Anti-Theft Construction: Crafted from robust carbon steel, this trailer lock features a 0.2-inch thick wall and weighs 11.46 lbs, offering resistance against crowbars, drills, and other tools. Designed to enhance trailer security and reduce theft risks.
- Fast and Simple Securing: Secure your setup in under 30 seconds! Just unlock, position it on the coupler, and lock it in place. The one-handed operation and built-in cushion pad provide a snug and stable fit. Includes 3 keys for added convenience.
- Sturdy and Weather-Resistant: This trailer hitch lock is coated with a durable powder finish to resist corrosion and features a robust aluminum alloy lock body for reliable operation. A protective dust cap shields it from moisture, ensuring long-lasting performance in various weather conditions.
- Secure Anti-Theft Design: This trailer coupler lock is compatible with a wide range of trailers, RVs, and boats. Even if the fit seems slightly loose, its robust anti-theft mechanism ensures your vehicle remains safeguarded and secure, regardless of where it is parked.
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Specifications
Features
Weather-Resistant
Brand
KFFKFF
Manufacturer Part Number
KHSTCTTSZZQLGZ0ZE001V0
Assembled Product Weight
12.13 lb
Warranty
Warranty information
One Year
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
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