Vevor Trailer Coupler Lock Heavy-Duty Anti-Theft for 1-7/8", 2" & 2-5/16" Couplers New
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Product Overview
This heavy-duty trailer coupler lock is designed to help protect RVs, trailers, and boats from theft. Built from carbon steel with a protective surface coating, it fits 1-7/8", 2", and 2-5/16" flat-edge ball couplers. The lock installs quickly, includes 4 keys, and features a cushioned interior for a stable fit. Its powder-coated finish, copper lock cylinder, and dust cap help resist rust and weather exposure.
Brand new
1 year factory warranty
Manufacturer direct shipping from CA, NJ, & TX
Authorized Vevor Dealer
Features
- Fits 3 Coupler Sizes: This coupler lock fits 1-7/8-inch (47.5 mm), 2-inch (50.6 mm), and 2-5/16-inch (58.6 mm) flat-edge ball couplers, offering security for your RV or trailer. Note: Check coupler size before purchase. Not for couplers wider than 4.34 in
- Heavy-duty Anti-theft Design: Made from tough carbon steel, this trailer lock weighs 6.83 lbs with a 0.31-inch thick wall, resisting crowbars, drills, and tools. It’s built to keep your trailer secure and minimize the risk of theft
- Quick & Easy Locking: Locking up takes less than 30 seconds! Simply unlock, place on the coupler, and secure. One-handed installation and an internal cushion pad ensure a tight, stable fit. Comes with 4 keys for your convenience
- Durable & Rust-resistant: The trailer hitch lock is powder-coated for corrosion resistance and features an all-copper lock cylinder for smooth use. A dust cap secures it from dampness, making it ready for any weather and extending its lifespan
- Reliable Anti-theft Protection: This trailer coupler lock fits most trailers, RVs, and boats. Even if it feels loose, the anti-theft protection remains strong, ensuring your vehicle stays secure and protected, no matter where you park it
Specifications
| Item Model Number | THS003 |
| Style | Nesting |
| Main Material | Carbon Steel + Surface Coating |
| Compatible Coupler Type | Flat Edge Ball Coupler |
| Compatible Coupler Sizes | 1-7/8 in / 47.5 mm; 2 in / 50.6 mm; 2-5/16 in / 58.6 mm |
| Product Weight | 6.83 lbs / 3.1 kg |
| Product Dimensions | 5" x 3.46" / 127 x 88 mm |
| Wall Thickness | 0.31" / 8 mm |
| Lock Internal Height | 2.65" / 67.3 mm |
| Lock Internal Diameter | 4.34" / 110.2 mm |
Package Contents
Trailer coupler lock
4 keys
Warranty
This item comes with a 1 year factory warranty.






