- Robust Construction : Crafted from iron and aluminum alloy, this trailer lock features a galvanized surface that prevents rust and withstands harsh weather. It is designed for maximum durability, ensuring long-lasting protection for your trailer. - Enhanced Vehicle Security : Prevent unauthorized towing with this heavy-duty U-lock design. The bright color serves as a visual deterrent against theft, making it difficult for thieves to pick up or pry your trailer. - Lock Dimensions : The lock body measures 5/8" in diameter and 150mm in length, providing a secure fit for a variety of trailer hitches. - User-Friendly Design : Easily connect the trailer lock to your trailer hitch. The U-shaped lock lever adjusts and secures with a key, ensuring a tight fit for effortless installation and removal. - Versatile Compatibility : This universal coupling lock comes with two safety keys and is compatible with most trailer hitches. It easily attaches to the tongue of trailers, campers, RVs, or boat trailers, providing added security when you're away. Practical Applications : 1. Ideal for securing your RV while parked at a campsite or an RV park. 2. Use it to lock your boat trailer when docked at a marina. 3. Protect your utility trailer from theft when parked at home or on job sites. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.