- [Durable Construction] Built from robust iron and aluminum alloy, the trailer lock features a galvanized surface that prevents rust and withstands harsh weather, ensuring lasting performance. - [Effective Security] The trailer lock prevents unauthorized towing of your trailer when not in use. Its heavy-duty U-lock design, coupled with a highly visible color, deters theft, pick-up, and prying attempts. - [Lock Dimensions] Φ 5/8" x 150mm – designed to fit most trailer hitches seamlessly. - [User-Friendly Design] Installation is simple: connect the trailer lock to your hitch, adjust the U-shaped lock lever, and secure it with the key for a snug, reliable fit that's easy to install and remove. - [Versatile Application] Compatible with a wide range of applications, the trailer lock includes 2 keys and fits most trailer hitches. It secures the tongue of trailers, campers, RVs, or boat trailers, providing peace of mind when you are away. Use Scenarios: 1. Protect your camper trailer while parked at a campground to prevent theft. 2. Secure your horse trailer when attending events or competitions to safeguard your valuable cargo. 3. Lock down your boat trailer at the dock or in a storage facility, ensuring it stays safe from unauthorized access.