- Secure your trailer with our advanced trailer lock system, designed to prevent unauthorized coupling and protect against theft. The trailer lock core effectively controls the coupling mechanism, ensuring that no one can easily detach your trailer from your vehicle. - Our innovative locking mechanism is engineered to resist tampering, keeping locks and doors intact. The bright yellow finish not only enhances visibility but also acts as a deterrent to potential thieves, adding an extra layer of security to your trailer. - Crafted from high-quality aluminum, our trailer hitch lock provides robust protection. The hardened die-cast zinc lock body is built to last, offering exceptional durability and resistance to corrosion. The fully painted surface helps prevent rust, ensuring your lock remains functional in all weather conditions. - Suitable for a wide range of applications, our coupling locks fit most standard 1-7/8, 2, and 2-5/16 trailer couplings. Ideal for use with cars, regular trailers, vans, mobile trucks, boat trailers, covered utility trailers, bulldog trailers, jet ski trailers, caravans, and camping trailers. - Use it for everyday travel to safeguard your trailer from theft, or secure it during long-term storage for peace of mind. Perfect for both personal and commercial use, our trailer lock offers reliable security for your valuable assets.